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所谓“高温固溶球化处理”,是将试样加热到AC_3(或ACm)以上,使其钢奥氏体化,随后进行沸水淬火,冷至500～400℃时,再放入所需温度的炉中进行球化处理。本试验以T10A、Cr2WMn、3Cr2W8V为例,对高温固溶球化处理的效果进行了探索。结果表明,经过1～3小时的处理,就能获得碳化物细小、分布均匀的球化组织。这与12～16小时的常规球化处理的效果相当,因此,高温固溶球化处理是一种省时、节能并容易实施的工艺。
The so-called “high-temperature solution ball treatment” is the sample is heated to AC_3 (or ACm) above, so austenitic steel, followed by boiling water quenching, cold to 500 ~ 400 ℃, and then into the desired temperature Of the furnace for balling. This test to T10A, Cr2WMn, 3Cr2W8V, for example, to explore the effect of high-temperature solution spheronization. The results show that, after 1 to 3 hours of treatment, can be obtained carbide small, evenly distributed spheroidization organization. This is equivalent to the conventional balling treatment of 12 to 16 hours. Therefore, the high-temperature solution-spheronization treatment is a time-saving, energy-saving and easy-to-implement process.