热处理引起的晶粒长大
Grain growth caused by heat treatment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
高锰钢的优良耐磨性能使其有广泛的应用范围，但在热处理过程中却难以保证所要求的显微组织，并容易引起脱碳、晶粒长大、裂纹和变形。
High manganese steel are widely used for its excellent abrasion resistance. However it is difficult to avoid defects of decarburization, grain growth, cracking and deformation during heat treatment.
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