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钢的退火与正火方立新许岚（杭州市机械研究所）陈云祥（浙江机械学校）退火与正火常作为预先热处理工艺安排在零件的加工流程中，用以消除冶金及冷热加工过程产生的缺陷，为以后的机械加工及热处理作好组织准备；对于性能要求不高的钢件，正火也可以作为最终的热处理工艺...
Annealing and Normalizing of Steel Fang Lixin Xu Lan (Hangzhou Mechanical Research Institute) Chen Yunxiang (Zhejiang Mechanical School) Annealing and normalizing are often arranged as pre-heat treatment processes in parts processing to eliminate metallurgy and hot and cold processing Produced defects for the future of mechanical processing and heat treatment well organized preparation; for less demanding performance of steel, normalizing can also be used as the final heat treatment process ...