The microhardness, microstructure characteristics of the nitrocarburized 45 carbon steel after fatigue fracture were studied.
对45碳钢氮碳共渗处理疲劳断裂后的断口附近的显微硬度，组织特征进行了分析。
The cyclic strain low cycle fatigue and cyclic stress ratcheting failure of 45 carbon steel treated by quenching and tempering were experimentally investigated.
对调质处理的45碳索结构钢进行了应变循环低周疲劳实验以及应力控制棘轮失效实验。
The research achievements of cryogenic treatment have been applied to cast alloys, including high Cr cast iron, 440A cast stainless steel, 45 carbon steel, in recent years.
介绍近几年将深冷处理技术应用于高铬铸铁、44 0A铸造不锈钢、45 碳素铸钢等铸造合金材料中的研究结果。
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