Austenite grain size of plain carbon steel and alloy steel were examined by oxidization and grain boundary etching method.

 
  • 采用氧化法和晶粒邊界腐蝕法對幾種不同的碳鋼和合金鋼的奧氏體晶粒的顯示進(jìn)行了對比試驗。
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