The Proceedings of the 1995 Japanese Spring Conference for the Technology of Plasticity
May 18 ~ 20, 1995, Tokyo

Copywrite by The Japan Society for Technology of Plasticity

Material and Character

101. Quantitative Characterization of Crystal Annisotropy by Acoustic Spectro Microscopy Y. XU, T. Aizawa and .J Kihara 102. Effect of tramp elements on hot workability of carbon steels Effect of copper and tin on hot ductility of carbon steels C. Nagasaki, J. Kihara and S Irie 103. Manufacturing Process of TiB dispersed Ti-6Al-4V alloy composites by reaction sintering and those mechanical properties M. Kobayashi, K Funami, A. Okada, H. Miyazaki, S. Suzuki and C. Ouchi

Character of deformation

104. Effect of Strain Rate and Temperature on Tensile Deformation for 5083 Aluminium-Magnesium Alloy Sheet T. Naka and F. Yoshida 105. Flow stress of FCC metals under non-proportional loadings H. Nakamoto, T. Hasebe and Y. Imaida 106. The Effect of Hydrostatic Stress on the Ductile Rupture of Metals M. Itoh, S. Suzuki, Y. Itoh and T Majima

High quality on cold forging

108. Comparison of one-side depressing system and both sides depressing one in forging actual spur gear products by divided flows method K. Ohga, F. Murakoshi, H. Ando, K. Miyoshi and K. Kondo 109. Precision Cold Die Forging of an Internal Helical Gear by Divided Flow Method(3rd Report) K. Kondo and T. Sakurai 110. Filling process in core forging of tooth parts K. Nishimura, K. Ikeda, T. Murakami and T. Daizou 111. On the Constraint and Plastic Flow in Forging a rectangular material with Particial Projection M. Motomura, H. Terawaki, S Hirata and H. Heida 112. Study on multiple radial flow extrusion with different thickness in multiple-ports end M. Motomura, Y. Kakihana, T. Sekiguti, Y. Kuroda and Y. Sakimoto 113. Forward Backward Extrusion Forging with Axially Driven Container X. Wang, S. Hanami and K. Osakada


114. Deformation Behavior in Unsymmetrical Plane Strain Extrusion M. Natsui, T. Mizuno and Y. Kurosaki 115. Advanced Design of Hexagonal Punch Cavities for Bolt Heading Tools using Finite Element Analysis A. Yokoyama and T. Hirai 116. Process Design of Free Forging of Ornamental Head Bolt with the Aid of Physical Forming Simulation Y. Mure and K. Nakanishi 117. Analysis of Rotational Compression af Cylindrical Billet by Rigjd-Plastic Finite Element Method H. Yoshimura, K. Osakada and K. Mori 118. 3D automatic control of ALE processors for large deformation ana]ysis J. Terziyski, T. Aizawa and J. Kihara 119. Prediction of Final Shape of Die Hot Forging Products by the Finite Element Method Y.M. Guo and Y. Yokouchi 120. A Three-Dimensional Simulation of Crank Shaft Forging S. Kihara, A. Kinoshita, S. Rashed, S. Nishiyama, S. Fujikawa and K. Asano 121. Deformation Behavior of Saw-Toothed Interface of Two Blocks under Compression M. Yamashita, M. Gotoh, M.matsuno and T. H. Chung 122. Prediction of grain size distribution of steel in hot forging T. Okada, M. Minamiguchi and F. Yoshida 123. Powder forging with reactive sintering of elemented Cu-Al powders by hot press and closed die forging T. Nakamura, S. Tanaka, M. Hiraiwa, H. Imaizumi and S. Suzuki 124. Evaluatlon of Anti galling characteristics of Tool Materials and Lubrlcations Using Injection Upsetting T. Nishimura, T. Sato, Y. Tada and K. Fuchikami 125. Evaluatlon on Lubricity of Solid Lubricants by Forward Backward Extrusicn Type Friction Tester T. Nakamura, I. Ishibashi, H. Yamagata and Y. Zhao


126. Analysis of Superplastic Forming in Consideration of Contaction with Die N. Suzuki 127. High strain rate superplasticity of AIN reinforced pure aluminium composite S. Kojima, T. Imai, Y. Tozawa and M. Ono 128. Evaluation of Strain Rate Sensitivity in Superplastic Compression Test M. Yoshizawa, S. Nishimura, T. Azuchi, M. Tsutsui and H. Ohsawa 129. Effect of Rate of Change of Strain Rate on Tensile Ductility and Stretch Flange Formability M. Yoshizawa, N. Ohsawa, K. Ishikawa, H. Ohsawa and A. Ukai

Sheet metal forming 1

201. Effect of Hydraulic Counter Pressure and Forming Temperature on Square Cup Deep Drawability of Stainless Steel Sheets M. Hashizume, H. Morishita, M. Tanaka and K. Nakamura 202. Effect of Hydraulic Counter Pressure on Truncated Conical Shell Deep Drawability of Aluminum Alloy Sheets K. Nakamura and H. Obara 203. Warm Press Forming of High Strength Steel Sheet E. Yamazaki, O. Sakai, K Mimura and Y. Watanabe 204. Prediction of Forming Limit in Deep Drawing of Fc/Al Laminated Sheets Using Ductile Fracture Criterion H. Takuda, K. Mori, T. Hirose and N. Hatta 205. Effect of strain rate and temperature on serrated Flow of Al-Mg alloys M. Watanabe, T. Nakagawa and N. Yahata 206. Study on the forming limit diagram of sheet materials in warm working condition K. Hashimoto, M. Usuda and Y. Abe 207. Improvement of Surface Finish by EI-Method and 3-D Analysis of Surface Roughness T. Takemasu, T. Ozaki, S. Yamasaki , S.Hirata, M. Sukimoto and M. Sakaguchi 208. Stretch Formability of Laser Welded Blank I H. Sakurai, T. Sugiyama, S. Takahashi and Y. Miyashita 209. Forming of Diaphragms by Hydraulic Pressure and Evaluation of Their Sensor Characteristics L. Yong, M. Gotoh and M.Yamashita 210. The effect of constitutive law on forming limit strain of stretching T. Yoshida, K. Ito and O. Noguchi 211. Development of an Intelligent V-bending System with a Database N. Kojima, M. Yang, K. Manabe and H. Nishimura 212. Optimum Process Control of the Variable BHF Circular Cup Deep Drawing by Fuzzy Model S. Yoshihara, K. Manabe, M. Yang and H. Nishimura 213. On the accuracy in assembling dies Y. Kasuga 214. Application of Neural Network to Conceptual Design of Blanking Die S. Tubouchi, T. Amano, K. Tamura and H. Nakasugi 215. Optimal Design of Frame of Gap Overhanging Press Y. M. Guo, Y. Kobayashi and Y. Yokouchi 216. Effect of Blank Holding Pressure Distribution on the Shape Accuracy of a Shell with Cylindrically Shaped Base J. Kuroyanagi, T. Kuwabara and S. Takahashi 217. Automatic Design System Using Personal Computer for Determining Optimum Blank Shapes far Deep Drawn Cups with Arbitrary Shaped Flanges S. W. Hua, T. Kuwabara and M. Shuuno


218. Effects of temperature distribution during hot levelling on residual strees 1 T. Suzuki, K. Isaka, T. Fukuda and J. Fushimi 219. Numerical analysis of basic characteristics of roller leveling proccss K. Kadota and R. Maeda 220. Numerical analysis of effect of improvement technology for roller leveling process K. Kadota and M. Maeda

Sheet Metal Forming 2

221. Forming mechanism and shape-control of hyperboloidal curved product formed by incremental press forming proccss S. Tanaka, T. Nakamura, M. Hiraiwa, H. Imaizumi and M. Matsubara 222. Incremental inverse bulging and drawing of sheet metal with hemi-spherical tool on NC machine tool S. Matsubara 223. Incremental drawing of sheet metal with hemi-spherical tool on NC machine tool S. Matsubara 224. Flexible and incremental sheet metal bulging using water jet H. Iseki 225. Determination of Conditions in Incremental Forming of Sheet Metal using Genetic. Algorithms M. Yamamoto, K. Mori and K. Osakada 226. Development of incremental hammering apparatus and some experiments K. Kasai, T. Hasebe, S. Shima and Y. Imaida 227. Deep Drawing Process with Hydraulic Counter Pressure and Vibration for Titanium Sheet S. Kataoka and T. Nakada 228. Measuring system for strain distribution of formed products by 2-CCD sensor T. Nakamura, S. Tanaka, M. Konishi and K. Kawasumi 229. Three-Roll Bending Machine with CCD Camera for Forming Plates into Desired Curvature Distribution N. Oketani, G. Yang, K. Mori and K. Osakada 230. Accuracy of Strain Measurement of 3-D Deformed Sheet Metal by Image Sensing Camera System M. Sakamoto, T. Sawada and Y. Sinodzuka 231. Practical Apparatus for Measurement of Surface Deflection of Sheet Metal by Grid Reflection L. L. Sheng,M. Sakamoto and T. Sawada 232. Mesurement of Fracture Strain of Sheet Metal by Circle Grid Method T. Sawada, M. Sakamoto and Y. Sato 233. Control forming of plastic working by an elastic bar l, determination of sliding direction and hat bending of sheet metal S. Kuriyama 234. FEM simulation of the plane strain punch stretching test C. Park, C. Lee and Y. Kim 235. F. E. Analysis of Cylndrical Deep Drawing using Kinematic Hardening Theory Y. Yokouchi and H. Fujiwara 236. FEM analysis of drawbead force in sheet metal drawing through drawbead H. Sunaga, I. Yoshino and A. Makinouchi 237. Optimization of Blank by Using Finite Element Method and Mathematical Programming K. Nakano, T. Katayama, E. Nakamachi, T. Hasebe and Y. Imaida 238. FEM Simulation of Deep Drawing of Thermoplastic Thick Plates C. C. Wang, K. Mori, K. Osakada 239. Ironing-Assisted Deep Drawing for Square Cups of Glass Fiber Reinforced Polypropylene Sheets T. Machida, K. Yoshimatsu, S. Kuramochi, T. Okai and T. Matoba 240. Flexible shell forming of radiatian curable polymers using pneumatic structures H.Iseki 241. Pre-Hemming of Shrink Flange M. Murata and A. Muderrisoglu 242 Shrink Flange by ~Wrapped Bending M. Murata and A. Muderrisoglu

Numerical simulation

301 Numerical Investigation of Forming Limit of Sheet Metal Due to Shear Band Localization T. H. Chung and M. Gotoh 302. Non-Iterative Rigid Plastic Finite Element Method M. Gotoh and Z. G. Sun


303. Analysis of Vibration on Blanking Operations Considered Occurrence State of Break-through B. Guo, H. Ogihara, K. Nakamura and M. Andou 304. Simulation of shearing Process(4th Report) K. Komori 305. Reserch on Warking Load of Opposed Dies Shearing Process(4th Report) K. Kondou and K. Hirota 306. Curvilinear Slitting of Thin Sheet Metal by Indentation of Piano Wires with Rolls N. Tanaka, S. Imatani and K. Yamaguchi 307. Effect of Rigidity of Roller Guide Die on Blanking Accuracy F.Sekine 308. Effect of Annealing on workability in blanking H.Yamada, T.Ishikawa, T.Oishi and T.Jinma 309. Workability in blanking of Leadframe material H.Yamada, T.Ishikawa, T.Oishi and T.Jinma 310. Study on the fatigue strength of sheared surfaces of plates T.Okada, Y. Kishl and M.Kurakawa 311. Elucidation of the wear phenomenon of shearing tools by means of visioplasticity. N. Koga and M. Murakawa 312. Utility of coated dies when used to blank aluminum sheets. N. KOka, M.Murakawa and T. Kumagai 313. Shearing Process by Tools Elastically Supported T. Takahashi, H. Saito and I. Aoki 314. A New Method for Measuring Material Deformation on Shearing Process (Application of Fourier Phase Correlation to Measuring Material Deformation) T. Takahashi and l. Aoki


315. Three Dimensional Elasto-Plastic Boundary Element Analysis for rolling with Consideration of Friction H. Xiao, T. Aizawa and J.Kihara 316. Influence of Finish Rolling Conditions on Critical Current Density of Silver-sheathed Bi2223 tapes H.Utsunomiya, Y. Saito. T. Sakai, T.Hanamachi and M. Shinkawa 317. Consolidation of gas atomized AISI304 powder sheathed in stainless steel tube by hot rolling T. Hayashi, Y. Saito and T. Sakai 318. Development of New Method of Spreading Wide Strip T. Sekino, Y. Saito, H.Utsunomiya and S.Matsueda 319. Rolling of T-shaped Profiled Wires on the Satellite Mill K.Hirata, Y. Saito, H. Utsunomiya and K.Oka 320. Effects of Tribological Factors on Roll Coating in Aluminium Cold Rolling K. Iwasaki and A.Azushima 321. Performance of water based lubricants in the rolling of a stainless steel (1st report) S.Ogura, J. Shibata, K. Seki, Y.Yoshimori and H.Yokota 322. Influence of Rolling Conditions on Flatness of Strips in Cold Rolling M. Kitahama, l. Yarita, A. Fukuhara and T, Saitoh 323. Analysis of Edge-drop Characteristics of Cold Rolled Strips. (Rolling Characteristics of Pair-cross Mill for Cold Strip Rolling -6-) T. Kajihara, A. Tomizawa, S. Hashimoto, R. Hamada, K. Hayashi and S. Iyama 324. Analysis of cross rolling by 3D elasto-plastic FEM and comparison with 3D slab method M. Matsuura, A. Tomizawa, R. Hamada, T. Kajihara, S. Hashimoto and K. Hayashi 325. Characteristics of polymer lubricants in hot rolling condition. T. Inoue, H. Yamamoto, K. Watanabe, K. Nishida and T. Sugiura 326. Numerical analysis model of stress and strain on the surface layer of work roll in consideration of themal load H. Yamamoto, S. Araya, T. Inoue, S. Uchida, K. Watanabe and K. Nakajima 327. Development of Unsteady-State Roll and Plate Temperature Analysis Methods Using High-Speed Computation Technique. K. Narita, K.Yasuda, T. Saitoh and S. Yasunari 328. Thermal Analysis of Rolling (1) M. Kiuchi, J. Yanagimoto and E. Wakamatsu


329. Plate Bending by Loca] Line Heating S. Imatani, N. Kako, K. Yamaguchi and N.Takakura 330. Preliminary study on bending of a hemi-circular pipe by peen forming (2nd Report) K. Kondo and H. Torisawa 331. Determination of Optimal Multi-Variable Motions of Rolls in Three-Roll Bending of Plates Using Control led FEM Simulation G. Yang, K. Mori and K. Osakada 332. Sophisticated Springback Analysis of Sheet Metal Subjected to Bending-Unbending under Tension K. Ito, T. Kuwabara and S. Takahashi 333. Deformation behavior and fracture limit in stretch-bending/unbending for stainless-steel/aluminum sheet laminates R.Hino and F.Yoshida 334. New bending method for vibration damping sheets H.Ona 335. Elimination of longitudunal curve on SUS304 formed by press brake H.Ona 336. Analysis of Width Camber Occured in Bending Deformation Y.Nagai 337. Warping Analysis of L-steel in Bending Y.Yokouchi and T.Arai


401. The influence of lubricant composition and its oil film formation on limited BHF in drawing. T.Sugawara, Y.Matsuzaki, H.Yokota and S.Ogura 402. Effects of lubricants on stamping formability of steel sheets for automotive bodies Y.Takeshima and T.Ohnishi 403. Effect of micro surface structure of steel sheets on formability of sheet metal T.Nagahama, T. Imae, l.Yarita and T.Hira 404. Tribological Evaluation by means of Bending Sliding Simulator Controlled by PC in Sheet Metal Forming K. Imai and A. Azushima 405. Effect of Sliding Number on Coefficient of Friction in Flat-Dic Sliding Test. T. Uda and A. Azushima 406. Tool wear under Lubricated Condition A. Azushima and N. Kawaguti 407. Deve]opment of microscopic surface analysis for roll coating by collimated X-ray K. Aoki, H. Ota and A.Azushima


408. Effects of using an ultrasonic vibrating plug in the ED manufacturing method of precision aluminum thin tubes. M.Jin, N.Koga and M.Murakawa 409. Cold drawing of smooth inner surface pipe. Y.Imamura, M.Hurugen and H.Chouba 410. Numerical Simulation of Development of Residual Stresses during Tube-Sinking Y. Shimahashi, M. Sugimoto, Y. Tanaka and S. Fujii


411. Correlation between Wear Depth of Horizontal Roll and Rubbing Properties during Rolling Y. Miura, S. Hayashi, T. Nishino and K.Watanabe 412. Alloing of Chromium-Nickel Sintered Powders by Repeated Rolling and Annealing Y. Harada, H. Ohmori, M. Nakamura and S. Maki 413. Defomation Analysis of Flat wire Rolling of Round wire with General Purpose FEM Code Y. Sekino, S. Nagasawa, Y. Fukuzawa and F. Karasawa 414. Calibration method for the determination of measurement point on two dimensional coordinate in CCD cameras H. Endo, Y. Terada, M. Kinoshita, T. Takiya, H. Yoshida and S. Maeda

Tube forming

415. The Deformation of Stepped Circular Tubes under Axial Loading K. Ichinose and N. Niwa

Technology for bending of tubes

416. Recent Trends of Research and Development of Tube Bending J.Endo 417. Simplified 3-Dimensional Analysis of Pure Bending Y.Yokouchi and O.Muneyoshi 418. Theoretical Analysis of Floating Expanding Plug Pipe Bending by Elementary Method K. Hayashi, M. Nakamura, S. Maki and Y. Harada 419. Production of Bent Oval Cross Sectional Pipe Using a Floating Expanding Plug M. Asai, M. Nakamura, S. Maki, Y. Harada and K.Takeuti 420. Development of new type CNC machine for making flexible cross section of circular tube M.Murata, X.Cai and Y.Adachi 421. Effect of Working Condition for Square tube by Penetration Bending Method M.Murata, Y. Fukasawa, S.Akimoto and H.Suzuki 422. Effect of axial tension loading on draw bending process of extruded square tubes. S.Sakaki 423. Forming properties of extruded aluminum square tubes in compression bending with mandrel S.Mori and T.Yamada 424. Effect of Mandrel on Forming Accuracy of Extruded Aluminium Square Tube by Press Bending O. Hasegawa, H. Nishimura and Y. Morikawa 425. Bending of Aluminum Shapes by Separating method S. Kinoshita, Y. Oki, S. Hirata and S.Uineda


426. An approach to the screw joint system by using the press shaving method T. Machida, T. Okai, K. Sugano and T. Sasaki 427. Steel Pipe Parts Shave-Joined to knurled steel pipe periphery. Y. Nakamura, Y. Egami, Y. Suzuki and T. Machida 428. Superplastic forming and diffusion bonding of aluminum alloys in various atmosphere M.Hirohashi, O.Yaita and Y.Ichige 429.Study of Ultrasonic Welding of Ceramics/Metals -Effect of incerts- S. Matsuoka and M. Hashiura 430. Joining strength between aluminum powder and sol id combined by forging N. Hayash i 431. Condition of resistance sintered iron powder compact S. Maki, Y. Harada and M. Nakamura

Mashy-state/Semi-solid metal forming

501. Observation of Sefni-Solid Alloys by High Temperature Microscope. M. Kiuchi, J. Yanagimoto, S. Sugiyama and A. Tanabe 502.Production and ductility improvement of Al-Si cast alloy strips by melt direct rolling N. Tsuji, Y. Saito and L. Yang 503. Finite Element and Physical Simulation of Twin Roll Strip Casting Process under Controlling Roll Speed M. Shiomi, K. Mori and K. Osakada 504. Distinct Element and Physical Simulation of Grain Alignment in Mushy-State Forging of Magnets M. Otsu, K. Mori and K. Osakada 505. Forming of Metal Powder by Laser Prototyping F. Abe and K. Osakada 506. Production of Al-base Prealloy Powders via Rotating Disk Atomization Process. T. Satoh, K. Okimoto and S. Nishida 507. Properties of Al-base Prealloy Powders via Rotating Disk Atomization Process. T. Satoh, K. Okimoto and S. Nishida 508.Mechanical Properties of Al-Mg and Al-Si P/M Alloys Prepared from Rapidly Solidified Powders. T. Satoh, K. Okimoto and S. Nishida

High energy rate forming

509. Effect of Current Waveforms on Electromagnetic Tube Bulging (3rd Report) K. Okagawa, K. Oka, T. Aizawa, S. Kimura 510. Punching-Soldering Experiments of a Flexible Printed Wiring Board by Magnetic Pressure T. Aizawa T. Nagano and T.Kinagawa 511. Flat-headed deep drawing of aluminum foil by hydro spark forming method M. Yokoi, T. Hasebe and Y. Imaida 512. Experimental study on wire explosion spraying under low pressure condltlons M. Hesaki, T. Kawahara, T. Hasebe and Y. Imaida 518. Fundamental study on excimer laser ablation of ceramics T. Sugimoto, T. Hasebe, K. Yukimura and Y. Imaida 514. Effect of refined garain structure in MA on the planar shock reactivity in Ni-Al system Y. Asakawa, T. Aizawa, K. Hukuoka, Y. Shono and J. Klhara 515.Effect of refined grain structure by MA on the shock reactivity in Ti-Al system N. Sakakibara, T. Aizawa, K. Fukuoka, Y. Shono and J. Kihara 516. Effects of several factors on deformation mechanism during explosive forming process Y. Ishigori, M. Fujita, H. Osaka, R. Zhang, H. Iyama and K. Hokamoto 517. Explosive forming into a circular grooved shape M. Fujita, R. Zhang, H. Iyama, S. Tanaka, K. Hokamoto and S. Itoh 518. Shoch Reactivity in the Large-Scaled Recovery Testing for Ti-Al System S. Kamenosono, T. Aizawa, K. Tanaka, T. Niwatsukino and J. Kihara

Forming of ceramic and powders

519. Prediction of Fracture in Sintering of Ceramic Powder Compact K. Mori, M. Miyazaki and K. Osakada 520. Micro Scopic Simulation of Sintering of Powder Compact M. Ohashi, K. Mori and K. Osakada 521. Powder forging of Ti alloy powder preformes T. Tomokiyo, S. Mizunuma, K. Watanabe and M. Ataka 522. Quantitative nondestructive evaluation of the CIP and ceramic powder compacts T. Watanabe, T. Aizawa and J. Kihara 523. 2D/3D granular modeling simulation for powder forming analysis S. Tamura, T. Aizawa and J. Kihara 524. Powder Compaction and Fracture Analysis by Enlerian Elasto-Plastic Finite Element Model T.Aizawa and D. Benson 525. Slnterlng Analysis by Elasto-creep Finite Element Model with homogenization approach. F. Tsumori, T. Aizawa and J. Kihara 526. Simulation of Powder Compaction by Distinct Element Method with Particle Shape Change due to Plastic Deformation Y. Ujie, S. Shima, H. Kotera and F. Takahashi 527. Numerical study of powder compaction by noncircular particle model (First report:noncircular particle model and behaviour of particles under compaction) H. Kotera, S. Shima and H. Kitahara 528. Numerical study of powder compaction by noncircular particle morlel (2nd report:Behaviour of ferromagnetic particles under compaction in applied magnetic field) H. Kotera, S. Shima and H. Kitahara


529. Analysis of Material Deformation Process in Spinning of Al-Pipe. A. Someya and M. Kawahara 530. An Analysis of Tem]perature and Strain Distribution in NC Spinning Process of Al-Mg Alloy M. Ishikawa, K. Takaishi and T. Yamada 531.Helical Rolling of Tube 1st Report : Forming Limit H. Takizawa, T. Kimura, H. Tsukamota, H. shiota and M. Yamada 532. Numerical Simulation of Spline Rolling of Deep Drawn Cups T. Ozaki, T. Takemasu, R. Matsunaga, R. Kamashita and H. Tsukamoto 533.The Effect of work movement on lead screw rolling I. Katayama, Y. Shinbo and S. Takahashi

Roll forming

534. A Study on Corner Radius of Square Steel Pipe in Cold Roll-forming Process (23th Report) T. Kltawaki, H. Seklguchl, M. Takeda, K. Kobatake and K. Ooya 535. Effect of Pre-forming Condition for Corner-Bending on Cross-Sectional Shape of Square Steel Pipe Formed by Extroll-Forming T. Nagamachi, Y. Onoda and H. Ueda 536. On High Accuracy Cold Roll Forming Process of Small Pipe with Pre-Notches II (Accuracy of Small Pipe with Pre-Notches) H. Watari, H. Ona and S. Izawa 537.Numerical Analysis of Deformation of Metal Sheet at Breakdown Forming Stage (1) M. Kiuchi and P. Wang 538. Analysis of Roll-Forming of V-Type Heavy Gauge Sections M. Kiuchi and K. Nakagoshi 539. Advanced Simulation Method for Cold-Roll-Forming V M. Kiuchi and R. Onodera 540. Characterizations of Shape and Precision on Roll Forming of Steel/Plastic/Steel Sheets H. Hamano, H. Asano, K. Suzuki, K. Oishi and M. Kiuchi 541.Production of ERW Stainless Steel Pipes by CBR Forming Mill (Development of Chance-Free Bulge Roll Forming in ERW pipe Mill(7)) T. Toyooka, M. Gunji, Y. Hashimoto, S. Itatani, Y. Nishida and Y. Onoda


601. Effect of Si content on surfacial quality of extruded Al-MgBSi alloys. T. Takai, M. Tokizawa, N. Takatsuji, K. Murotani, K. Matsuki and H. Morita 602. Effects of Strain Recovery Prevention on Extrusion of Solid Crystalline Polymers at Elevated Temperature Y. Sanomura 603. Surface conditions of defomed metals with regard to some Iubricating oisl S. Kamitani, K. Nakanishi and F. Takimura 604. Analyses of the Metal Flows and Foming Processes of Hot Extrusion of Three Types, 6063, 5052 and 5083, Aluminum Alloy Billets H. Kinoshita, K. Nakanishi, S. Kamitani and T. Yoshida 605. Flow of Solid Metal During Exreusion; Three-Dimensional Simulation by Finite Element Method 3 V. Mendoza, M. Kiuchi and J. Yanagimoto 606. A Basic Study on Prediction of Curvature of Extruded T Section I.Jin, and J. Kihara 607. Development of Mathematical Model for 3-Dimensional Extrusion with Shear Strain M. Hoshina 608. Effect of lubrication and atmosphere on refinement process in high speed mechanical alloying O. Kobayashi, T. Aizawa and J. Kihara 609. Forming characteristics in multibillet extrusion of zirconia/stainless steel two-layer pipes Z. Chen, K. Ikeda, J. Xin. Xie and T. Murakami 6lO. Effect of particle size distribution on extrusion forming of stainless steel powder/binder compound Z. Chen, K, Ikeda, J. Xin. xie and T. Murakami 610. Flow properties of ceramics powder-viscous matersial mixture. H. Imada, K. Nishimura, K. Ikerda and T. Murakamia 612. Aluminium-lithium/Ni composites produced by HIP and extrusion M. Takahashi, Y. Murakoshi, T. Sano and T.M J 613. Forming and Characteristics of Cluster-Diamond Composite Material Y. Murakoshi, T. Sano, H. Takagai, H. Takeishi and T. Homma 614. Welding Property in Injection Molding of Ceramics and Testing Method K. Kato, N. Suzuki, N. Ohtake and T. Asai 615. Multiple Transcription of Pits in Injection Molding of Optical Disk T. Yasuhara, K. Kato and N. Ohtake

Shearing 2

616. Consideration on the relation between the measured rate of elastic energy released during break-through of blanking and the maximum sound pressure level. M. Kondoh, J.Mo, N. Koga and M. Murakawa 617. Investigation of Noise in Blanking Operations of Thick Sheet Bin Guo, H. Ogihara, K. Nakamura and M. Andou


618. Hardening of crystal from clustering of point defects K. Showaki 619. Clustering of point defects during plastic deformation K. Showaki and H. Nakamura 621. Rigid-Plastic Finite Element Method based on Cosserat Continuum Theory K. Mori, M. Shiomi and K. Osakada

Charactor of materials

622. Incremental Formulation for the Prediction of Flow Stress and Microstructural Change in Hot Forming J.Yanagimoto, K.Karhausen, A.J.Brand and R.Kopp 623. Analysis of Flow Stress and Microstructural Change in Hot Upsetting J.Yanagimoto, K.Karhausen, A.J.Brand and R.Kopp 624. Incremental Formulation for the Prediction of Flow Stress and Microstructural Change in Multi-Pass Hot Forming J.Yanagimoto, K.Karhausen, A.J.Brand and R.Kopp 625. Deformation-Induced Martensitic Transformation in Type 304 Stainless Steel under Various Stress Conditions T. Okuya, N. Yukawa, T. Ishikawa and T. Jimma

Testing of materials

626. Development of Bi-Axial Tensile Testing System for Sheet Metal l. Susuki, Y. Miyashita, T. Kuwabara and K. Honda 627. Elastic-Plastic Deformation Behavior of Sheet Metal Subjected to Bi-Axial Tensile Stresses T. Kuwabara, K. Honda, I. Susuki Y. Miyashita 628. Imaginary Solutions in Storen-Rice Method Proposed for the Analysis of Localized Necking H. Moritoki and E. Okuyama 629. Elasto-plastic FEM analysis using the stored deformation energy theory. M.Yoshino, T. Shiraishi and T. Shirakashi 630. Effects of latent hardning on mechanical properties of a FCC single crystal metal M. Yoshino, T. Shiina and T. Shirakashi