摆辗因成形时间长、凹模温度高、易受疲劳损坏,帮要求模具材料具有很好耐热疲劳性能、稳定性、红硬性、导热性和渗透性,加工工艺性等,常用者有5CrNiMo、5CrMnMo、3Cr2W8、GCr15。新研制成的M_A金属陶瓷模具材料由纯度分别为99.5％和98％、粒度分别为5μ及1～2μ以下的钼和氧化铝粉末经20000N/cm~2高压在1950±30℃下烧结而成的复合材料,经天津锻铁厂和北京工具厂使用,证明具有良好的高温强度和硬度,在高温辗压时 Forming a long rolling roller, die temperature is high, vulnerable to fatigue damage, to help mold material has good thermal fatigue resistance, stability, red hardness, thermal conductivity and permeability, processing technology, etc., commonly used 5CrNiMo , 5CrMnMo, 3Cr2W8, GCr15. The newly developed M_A cermet mold material consists of molybdenum and alumina powders with purity of 99.5% and 98% respectively, particle sizes of 5μ and 1 ~ 2μ, respectively, sintered at about 20000N / cm ~ 2 at 1950 ± 30 ℃ Of the composite materials, the use of Tianjin Wrought Iron Works and Beijing Tools Factory, proved to have good high temperature strength and hardness, rolling at high temperatures