The influences of cerium and its carbide on the strength, plasticity, impact toughness and other mechanical properties of steels were investigated through experiments and tests.
通过金相、扫描电镜能谱分析和冲击、拉伸等实验方法，研究了钢中铈及其碳化物对强度、塑性、冲击韧度等力学性能的影响。
According to our domestic resources, the author has researched new-type kinds of steels and improved their mechanical and other properties by developing and adopting new materials and technologies.
其中包括建立符合国内资源条件的新钢种研究，以及通过研制和采用新材料和新技术等多种途径提高钢的力学性能的研完。
Alloy steels are basically carbon steels with additional elements added to alter the characteristics and bring about a predictable change in the mechanical properties of the alloyed metal.
合金钢本质上是碳钢加上其它的元素来改变它的特性，而给合金金属带来一种预期的机械性能。
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