Cyclic deformation and low cycle fatigue behavior in a 6061A1/22vol% SiC whisker composite

IMR OpenIR

	Cyclic deformation and low cycle fatigue behavior in a 6061A1/22vol% SiC whisker composite
	L. Wang; Z. M. Sun; T. Kobayashi; H. Toda; Z. G. Wang
	1996
发表期刊	Materials Transactions Jim
ISSN	0916-1821
卷号	37 期号:4 页码:762-768
摘要	A 6061Al matrix composite reinforced with 22vol% SiC whiskers and the unreinforced matrix alloy in different aged conditions were examined at the ambient temperature. Total strain controlled cyclic deformation under fully-reversed loading and low cycle fatigue properties were measured. The mechanical test results demonstrated that the composite materials in different aged conditions cyclically hardened at the applied strain amplitudes, typically at 0.4%, 0.6% and 0.8%. The underaged composite specimens showed the most pronounced cyclic hardening, while the overaged composite only hardened to a limited amount at the first a few cycles. It has been found that the addition of SiC whiskers into the 6061Al increased the cyclic stress to the largest extent in the underaged condition while to the smallest in the overaged. The low cycle fatigue resistance of the composite to cyclic straining was found to be inferior to that of the unreinforced matrix alloy. When the saturation cyclic stress amplitude is considered, however, the composite material showed superior fatigue strength to the matrix alloy in this low cycle fatigue region. The experimental phenomena are interpreted in terms of the result of the electron microscopy and the fractography of the fatigue failed samples.
部门归属	suzuki motor corp,dev div 2,hamamatsu,shizuoka 43291,japan. acad sinica,inst met res,state key lab fatigue & fracture mat,shenyang 110015,peoples r china.;wang, l (reprint author), toyohashi univ technol,dept prod syst engn,tempaku ku,toyohashi,aichi 441,japan
关键词	Metal-matrix Composite 6061al/sicw Cyclic Deformation Low Cycle Fatigue Fatigue Life Fatigue Strength Metal-matrix Composites Reinforced Aluminum Composites
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/38425
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	L. Wang,Z. M. Sun,T. Kobayashi,et al. Cyclic deformation and low cycle fatigue behavior in a 6061A1/22vol% SiC whisker composite[J]. Materials Transactions Jim,1996,37(4):762-768.
APA	L. Wang,Z. M. Sun,T. Kobayashi,H. Toda,&Z. G. Wang.(1996).Cyclic deformation and low cycle fatigue behavior in a 6061A1/22vol% SiC whisker composite.Materials Transactions Jim,37(4),762-768.
MLA	L. Wang,et al."Cyclic deformation and low cycle fatigue behavior in a 6061A1/22vol% SiC whisker composite".Materials Transactions Jim 37.4(1996):762-768.