凝固收缩是指温度由液相线降到固相线所发生的体积收缩.它只与钢的化学成分(主要是含碳量——对碳钢而言)有关系。从凝固开始到凝固完毕.同一类合金,体积和尺寸减少的现象,凝固温度范围大者,凝固体积收缩率大.如:35钢,体积收缩率3.0%,45钢4.3%。
...凝固收缩;数值模拟;Ag-Zn合金 [gap=812]Key words :Fe-C alloy;peritectic phase transformation;solidification shrinkage;numerical simulation;Ag-Zn alloy ...
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... 液态收缩(液体收缩) liquid 凝固收缩 solidification contraction 固态收缩(固体收缩) solid contraction ...
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... contraction of jet射琳缩 contraction of solidification凝固收缩 contraction pressure收缩压强 ...
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... 凝固收缩solidification contraction 凝固收缩solidifying contraction 凝固收缩率solidification shrinkage rate ...
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结果:所有标本都有不同程度的凝固收缩。
Results: All the luting cements had different extent curing shrinkage.
为提高预测铸件凝固收缩缺陷的准确度,提出了频率因子的概念。
A conception of "frequency factor" is suggested for improving the accuracy to forecast the shrinkage defects.
实践证明采用均衡凝固收缩模数法设计液压试验平台浇冒口系统是可行的。
The practice shows that it is feasible to design kiss gating-feeder of hydraulic test platform by applying moduli calculation method.
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