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Effect of Rolling Temperature on Fracture Properties of INRAFMS at Different Temperatures

机译:轧制温度对不同温度造成稻草裂缝性能的影响

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Two heats of Indian reduced activation ferritic / martensitic steel have been produced with similar chemical composition and identical process parameters except the start and final rolling temperature referred as P950 and P1050, respectively. Fracture behaviours of both the heats have been evaluated, and it was found that quasistatic fracture properties are better for P1050 than P950. An attempt is made to establish the reasons for the observed behaviour through optical, scanning electron microscopic, electron backscatter diffraction and transmission electron microscopic studies. These variations are attributed to the difference in rolling temperature of both heats. P1050 meets the acceptance criteria as per Indian specifications, and it compares favourably with the international grades of equivalent RAFM steels.
机译:除了作为P950和P1050的开始和最终轧制温度之外,已经产生了类似的化学成分和相同的工艺参数的印度减少激活铁素体/马氏体钢的两个热量。 已经评估了两种热量的断裂行为,发现P1050比P950更好的Quasistatic裂缝性能。 尝试通过光学,扫描电子显微镜,电子反向衍射和透射电子显微镜研究建立观察到的行为的原因。 这些变化归因于两个热量的滚动温度差异。 P1050根据印度规格满足验收标准,它与国际等级RAFM钢材的国际成绩有利。

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