The proceedings of the JSME annual meeting
Online ISSN : 2433-1325
2000.2
Conference information
Thermal elastic-plastic analysis for engine cylinder head : Effects of cost reduction by means of CAE
Tsuyoshi TAKAHASHIKatsuhiko SASAKITakashi NagayoshiAkira Tsujimura
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 517-518

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Abstract
Customers demand light-weight engines in addition to high power/torque and low fuel consumption. This is why aluminum alloys have been more often used for cylinder heads. Critical for the use of aluminum alloys for cylinder heads are strength and durability. Aluminum alloys, however, have complicated inelastic behavior under cyclic thermal condition, which prevents us from precise numerical analysis in estimating life. In our study, the mechanism of the low cycle fatigue and creep was clarified based on the mechanical properties of aluminum alloys, such as tensile, compressive, thermal fatigue and creep characteristics, which were determined by conducting tests on test pieces. The behavior of a cylinder head under cyclic thermal condition was reproduced by using a high-precision analysis method with cyclic creep taken into consideration.
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© 2000 The Japan Society of Mechanical Engineers
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