Conference Papers

Conference papers and Presentations

N0. Title Abstract
1 Gracious Ngaile, G. Gutscher and Taylan Altan, Evaluation of Friction & Formability in Stamping : Practical Methods for Production, 5th International Conference & Exhibits on Advances in Sheet Metal Forming Technology, Detroit Michigan April 12, 2000 Abstract
2 Gracious Ngaile, Taylan Altan, Prediction of tool wear in precision forging, 2nd JSTP International seminar on Precision Forging, Osaka-Japan May 15-16, 2000 Abstract
3 Hiroyuki Saiki, Gracious Ngaile, Recent work on Tribology in Forging, Proceedings of AFDM’ South Korea, 1999 Abstract
4 Hiroyuki Saiki, Gracious Ngaile, Liqun Ruan, Yasuo Marumo, Evaluation of cold forging lubricants under realistic forging temperature conditions, Advanced technology of plasticity proceeding, Germany 1999, Vol 1 pp 377-382 Abstract
5 Hiroyuki Saiki, Gracious Ngaile, Liqun Ruan, Yasuo Marum, Tribo testing method for high performance cold forging lubricants, 31st Plenary meeting of the international cold forging group ICFG, Sweden 1998 Abstract
6 Gracious Ngaile, Hiroyuki Saiki, Liqun Ruan, Yasuo Marumo, Masayoshi Ogura, Effect of local surface expansion on the performance of coating based lubricants in cold metal forming. Proceedings of the 1st international conference on Tribology in manufacturing processes, 1997, Gifu pp. 193-198 Abstract
7 Gracious Ngaile, Hiroyuki Saiki, Friction testing method for high quality lubricant for forging, 63rd Japanese forging group meeting, Kyoto 1997.(In Japanese) Abstract
8 Hiroyuki Saiki, Gracious Ngaile, Influence of material flow mode on the distribution behaviour of conversion coating stearate lubricants for precision forging, International conference on precision engineering, Taiwan 1997, Vol 2 pp. 1027-1032. Abstract
9 Hiroyuki Saiki, Gracious Ngaile, Liqun Ruan, New tribo test for cold forging processes by localized rod drawing method, Proceedings of the 5th international conference on technology of plasticity, Ohio Columbus, 1996, Vol I pp. 343-346 Abstract
10 Hiroyuki Saiki, Gracious Ngaile, Liqun Ruan, Yasuo Marumo, Imamura Tool geometry selection in the evaluation of tribo-conditions for bonder lube treated material for forging processes. 46th Japanese conference of plasticity 1995 pp. 339-400 Abstract
11 Gracious Ngaile and Taylan Altan, Simulations of Manufacturing Processes: Past, Present, and Future. Proceedings of the 7th international conference on technology of plasticity, Yokohama Japan, 2002, Vol I pp. 271 Abstract
12 Gracious Ngaile, Tibari Khaled, Taylan Altan, “ Progress in Tube Hydroforming R & D- formability, Friction and Preform Design”. International Conference in Innovations in Tube Hydroforming, Troy Detroit, Michigan USA June 2002 Abstract
13 Gracious Ngaile, Yingyot Aue-u-lan, Suwat Jirathearanat, Taylan Altan, “ Progress in Tube Hydroforming R & D- Materials, Friction and Process Modeling” International conference on ube Hydroforming Technology, Novi Michigan, September 2001 Abstract
14 Gracious Ngaile, “ Advanced Methods to Determine Flow Stress and Friction for Sheet and Tube Forming,” International conference on Recent Development in Metal Forming, Columbus OH, USA October 2002. Abstract

Presentations (International conferences)

N0. Title PPT
1 Evaluation of Environmentally Friendly Lubricants for Cold Forging, International Materials Solutions Conference, Nov. 2001, INDIANAPOLIS INDIANA- USALubrication in Tube Hydroforming (THF)” Transaction of the North American Manufacturing Research Conference, May, 2001, GAINESVILLE, FLORIDA USA PPT
2 An Overview of Hydroforming, Metal forming 2001 Symposium, May 9, 2001 CLEVELAND OHIO-USA PPT
3 Evaluation of Friction & Formability in Stamping: Practical Methods for Production, 5th International Conference & Exhibits on Advances in Sheet Metal Forming Technology, April 12, 2000 DETROIT MICHIGAN, USA PPT
4 Prediction of tool wear in precision forging, 2nd JSTP International seminar on Precision Forging, May 15-16, 2000, OSAKA-JAPAN PPT
5 Cold forging tribo-test based on variation of deformation patterns at the tool-workpiece interface. Annual meeting of American Society of Tribologist and Lubrication Engineer, May 1998, DETROIT, USA. PPT
6 Influence of die geometry on th workability of conversion coatings combined with soap lubricant in cold forming of steels, International conference on material processing Nov. 1996 HONG KONG PPT
7 Characterization of adhesive strength of phosphate coatings in cold metal forming, International tribology conference and exposition Oct 1996, SAN FRANSISCO, USA PPT
8 Effect of local surface exposition on the performance of coating based lubricants in cold metal forming, the1st international conference on Tribology in Manufacturing processes, 1997, GIFU JAPAN PPT
9 New tribo-test for cold forging processes by localized rod-drawing method, 5th international conference on technology of plasticity, 1996 COLUMBUS, USA PPT
10 Advanced Methods to Determine Flow Stress and Friction for Sheet and Tube Forming,” International conference on Recent Development in Metal Forming, Columbus OH, USA October 2002. PPT
11 Progress in Tube Hydroforming R & D- formability, Friction and Preform Design”. International Conference in Innovations in Tube Hydroforming, Troy Detroit, Michigan USA June 2002 PPT

Invited presentations

N0. Title PPT
1 Research, Development and Marketing strategy at the ERC for Net Shape Manufacturing at Ohio State University Annual NSF-ERC Meeting Nov 1-3, 2003 Washington DC. PPT
2 Tribology in Metal Forming LUBRIZOL COMPANY, Nov 10, 2003 -Spartanburg SC. PPT