The paper includes two parts, and the focal point of this part is the Fe-Cr-Al, Fe-Cr-Si andnoncrystalline Fe alloy.
全文共分两部分，下半部分主要介绍在铁铬铝系合金、铁铬硅基系合金和非晶态铁基系合金特性研究方面的进步。
According to the practice, the paper analyzes washing lime and chromite, and introduces the means of tunning Cr-Si alloy after washing furnace.
通过生产实践，对用石灰和铬矿洗炉进行了分析，并介绍了洗炉后转炼硅铬合金的方法。
A method for the joint determination of si, p, Mn, Cr in general and low alloy steels is discussed by means of spectrophotometry. The method is simple, rapid and easy to master.
探讨了采用分光光度法对普通钢、低合金钢中的硅、磷、锰、铬进行联合测定。
The method of measuring c, s, p, Mn, Si, Cr, Ni, Mo, V, W, ti, Nb, Al element content by DV-4 photoelectric spectroscope on one condition is introduced.
介绍了应用DV - 4光电光谱仪，仅用一种测定条件，测定高合金钢中碳、硫、磷、锰、硅、铬、镍、钼、钒、钨、钛、铌、铝元素的含量的方法。
Results indicated that plasma surface metallurgical coating of Fe-Cr-Ni-B-Si had well wettability, and metallurgical bonding was obtained between coating and substrate.
结果表明，等离子表面冶金合金化涂层对基材具有良好的润湿性，基材表面熔化区的形成使得涂层与基材实现了完全的冶金结合。
The age hardening characteristic of Cu Ni Si Cr Fe alloy has been investigated in this paper.
因而研究铜在钢中的时效强化、沉淀规律具有重要意义。
The age hardening characteristic of Cu Ni Si Cr Fe alloy has been investigated in this paper.
因而研究铜在钢中的时效强化、沉淀规律具有重要意义。
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