回火碳,二次石墨
The effects of quenching temperature, cooling pattern, temper temperature and temper times on the structure and properties of high carbon and vanadium high speed steel ( HSS) roll were researched and the optimal heat treatment technical parameters were determined.
研究了淬火温度、冷却方式、回火温度和回火次数对高碳高钒高速钢轧辊组织和性能的影响,确定了最佳热处理工艺参数。
The cause might be that CFB has a higher temper resistance than M. And carbon enriched retained austenite film in CFB with a good thermal stability might improve the toughness of the steel after tempering at intermediate temperature.
其原因在于中温形成的无碳化物贝氏体具有较高的回火抗力,而无碳化物贝氏体中的热稳定性较高的富碳膜状残余奥氏体使钢呈现较高的韧性。
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