微量合金元素对 M2高速钢共晶碳化物高温预球化的影响  

EFFECT OF MICRO-ALLOYING ELEMENTS ON pRESPHEROIDIZATION OF EUTECTIC CARBIDES IN M2 HIGH SPEED TOOL STEEL

作　　者：毛卫民[1] 钟雪友[2] 

机构地区：[1]北京工业大学 [2]北京科技大学

出　　处：《钢铁》1990年第7期52-56,共5页Iron and Steel

摘　　要：本文研究了RE、B、RE-Mg、和Ti-N对M2高速钢共晶碳化物高温预球化的影响。结果表明:加入适量的 RE 或 B 加速共晶碳化物的球化,即可以降低球化温度约30℃,或缩短退火时间。This paper deals with the prespheroidization process of eutectic carbides in M2 high speedtool steel inoculated with RE,B,RE-Mg,Ti-N at high temperature.The experiments show thatthe prespheroidization process of eutectic carbides can be accelerated by adding proper amoumt ofRE or B,i.e.the prespherodizing temperature approximately reduced by 30℃,or the prespheroi-dizing time shortened.

关 键 词：微量合金元素 M2高速钢 共晶碳化物 

分 类 号：TG142.45[一般工业技术—材料科学与工程]