研究了稀土及热处理对半钢组织中碳化物的形貌与力学性能的影响。
The effect of rare earth on impact fatigue property of cast semi steel was studied.
试验数据说明，102钢具有良好的组织稳定性和稳定的热强性。
Test data show that steel 102 has superior stability of microstructure and creep strength.
管线钢内部的微观组织的组成对材料的使用寿命和性能有着重要的影响。
Composition of Pipeline steel's microstructure has important influence to material service life and performance.
研究了易切削系非调质塑料模具钢的组织与性能。
The microstructure and property of the free cutting unquenched plastic die steels have been studied.
在正常操作条件下，镇静钢中没有气泡，组织均匀致密；
Under normal operating conditions, no bubble calm steel, microstructure;
研究了汽车齿轮钢中带状组织形成的原因及其与热处理的关系。
Trial study of a new type of automobile gear steel 20CrMnMoV is carried out.
研究了汽车齿轮钢中带状组织形成的原因及其与热处理的关系。
Trial study of a new type of automobile gear steel 20CrMnMoV is carried out.
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