结果表明，马氏体时效钢铸件热处理后强度较高，受制于其内部铸造缺陷。
It was shown that the maraging steel cast exhibited a higher strength, which was controlled by the casting defects in it.
为提高铸造马氏体不锈钢的性能，对其进行了不同温度下的时效处理。
To improve the properties of the casting martensite stainless steels, the aging heat-treatment at different temperature was done.
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