Browse > Article

A Study on the Process Development of Mono Steel Forged Piston for Diesel Engine  

Yeom, Sung-Ho (Department of Mechanical Engineering, ChungNam National University)
Nam, Kyoung-O (Department of Mechanical Engineering, ChungNam National University)
Hwang, Doo-Soon (Department of Mechanical Engineering, ChungNam National University)
Kwon, Hyuk-Sun (AD-Solution Co., Ltd.)
Hong, Sung-In (Department of Mechanical Engineering, ChungNam National University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.14, no.3, 2006 , pp. 44-50 More about this Journal
Abstract
The mono steel forged piston was improved a mechanical strength of an aluminum piston and reduced the weight of a articulated piston. The mono steel forged piston was composed of forged crown part and forged skirt part and was completed by friction welding process of two forged parts. Forging process analysis and friction welding analysis was done by finite element simulation using numerical package DEFORM. The preform shape and the initial billet dimension were decided by maximum stress of the die, amount of the flash and filling of die. The upset length of friction welding variable was decided by the shape of the flash that was created by friction welding analysis. Through this research, we developed a forging process of the mono steel forged piston, and decided the design variables of friction welding.
Keywords
Mono steel forged piston; Articulated piston; Forging proces; Friction welding; Preform;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 D. Y. Kim and J. J. Park, 'Development of an Automatic Design System for Axisymmetric Hot Steel Forging,' KSTP Spring Conference, pp.117-12, 1998
2 SFTS, Deform 2D Version 8.1 User's Manual, Ohio, 2004
3 K. Lee, A. Samant, W. T. Wu and S. Srivatsa, 'Finite Element Modeling of Inertia Welding Process,' Proceeding of the NUMIFORM Conference, pp.1095-1100, 2001
4 Kobayashi, Oh, S. and T. Altan, Metal Forming and Finite-Element Method, Oxford University Press, London, 1989
5 S. H. Yeom, B. S. Lee, K. S. Shu, B. R. Rho and S. I. Hong, 'Forging Process Design of Articulated Piston for Diesel Engine,' KSTP Autumn Conference, pp.25-28, 2003
6 K. Lange, Hand Book of Metal Forming, McGraw-Hill, New York, 1985
7 S. H. Yeom, B. S. Lee, K. S. Shu, B. R. Rho and S. I. Hong, 'A Study on Forging Process about Preform of Articulated Piston for Diesel Engine,' Transactions of Materials Processing, Vol.13, No.7, pp.635-641, 2004   과학기술학회마을   DOI
8 S. B. Kang, 'A Study on the Friction Weldability and the Mixed Layer of W-30Cu Alloy to Cu,' Ph. D. Dissertation, Chungnam National University, 2000
9 A, Sluzalec, 'Thermal Effects in Friction Welding,' International Journal of Mechanical Sciences, Vol.32, No.6, pp.467-478, 1990   DOI   ScienceOn
10 H. C. Kim, W. Kang, B. C. Na, H. K. Lee, J. I. Lee, Y. T. Kim and K. C. Lim, 'Exhaust Emission Characteristics of Diesel Engine with Articulated Steel Forged Piston,' Spring Conference Proceedings, KSAE, 2003