GRAIN-SIZE EFFECTS ON THE MECHANICAL-PROPERTIES OF SOME SQUEEZE CAST LIGHT ALLOYS

被引:70
作者
YUE, TM
HA, HU
MUSSON, NJ
机构
[1] SOUTHAMPTON INST HIGHER EDUC,SOUTHAMPTON,HANTS,ENGLAND
[2] PIRELLI CABLES LTD,BISHOPSTOKE,HANTS,ENGLAND
关键词
D O I
10.1007/BF01184573
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Mechanical property-grain size relationships have been examined for squeeze cast Al-4.5% Cu alloy, for an aluminium alloy with a composition corresponding to wrought 7010, and for a magnesium alloy AZ91. The general trend of the results obtained showed that the tensile properties and the fatigue strength improved as grain size decreased and the reverse was found to he the case for the fatigue crack propagation resistance and fracture energy of these castings. However, the results also showed that no simple common relationship existed between grain size and the tensile properties of the different alloys, The results are discussed in respect of their microstructures.
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页码:2277 / 2283
页数:7
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