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Characteristics of Fatigue Crack Growth for Camshaft Material Applied to High Frequence Induction Treatment  

Lee, Hyun-Jun (Department of Mechanical and Precision Engineering, Gyeongsang Nat'l. Univ.)
Park, Sung-Ho (Department of Mechanical and Precision Engineering, Gyeongsang Nat'l. Univ.)
Park, Won-Jo (Department of Mechanical and Aerospace Engineering, Institute of Marine Industry, Gyeongsang Nat'l. Univ.)
Publication Information
Journal of Ocean Engineering and Technology / v.23, no.3, 2009 , pp. 46-52 More about this Journal
Abstract
Nowadays, many components in automobile, aircraft, offshore structure and industry require lightness and high strength. However, since developments of advanced materials have limitations, it mainly is applying to method of surface hardening. This study offered research about camshaft that is one among engine important component. The material used in this study is 0.53% carbon steel as structure material of camshaft, splineshaft, coupling, pulley, driveshaft et cetera. Camshaft is processed using mainly carbon steel, and receives wear and fatigue by special quality high speed of parts. Therefore, camshaft need surface hardening to improve camshaft's fatigue life and increase durability of engine. This study compare to residual stress and martensite microstructure created by high frequency induction treatment, and these results lead to the conclusion of fatigue crack growth characteristics.
Keywords
High frequence induction treatment; Camshaft; Compressive residual stress; Fatigue crack growth; Martensite; Fracture surface;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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