2) eutectic melting
共晶熔化
3) eutectic carbide
共晶碳化物
1.
These structures make the quenching temperature to be rise and the overtemperature structure and the uniformity of eutectic carbide in the steel are the major reasons of quenching crack.
结果表明,由于刨齿轮W18Cr4V钢共晶碳化物不均匀度严重超标,网状碳化物、莱氏体的存在使得淬火加热温度过高,造成组织过热,增加了材料的脆性,降低了刨齿刀的力学性能,导致刨齿刀淬火时产生裂纹。
2.
Results show that, when suitable RE is added into high carbon high speed steel,the austenite and eutectic carbides have been changed.
热处理后,共晶碳化物大部分变成团球状且分布均匀。
3.
After heat treatment, network eutectic carbides of cast Cr12 die steel are changed into nodular and dispersed ones in the matrix.
铸造Cr12模具钢中共晶碳化物呈网状分布于晶界上,且枝晶粗大,经Al-Zn变质处理,共晶组织明显细化,离异共晶数量增多;经热处理后,Cr12模具钢共晶碳化物由网状变为粒状和块状且均匀分布于基体中,同时,硬度有所降低,冲击韧性得到明显提高。
4) eutectic compounds
共晶化合物
1.
The result shows that the welding seam consists of Al-matrix and Al-Si eutectic compounds.
结果表明,焊缝主要组成相是以Al为基体的Al-Si共晶化合物:焊缝区域硬度值从上表面到背面有下降趋势,且平均值略高于母材。
5) Eutectic carbides
共晶碳化物
1.
Study of fractal dimension on the unevenness of eutectic carbides of Cr12 steel;
Cr12钢共晶碳化物不均匀度的分维研究
2.
The results show that, the morphology and distribution of the eutectic carbides are improved and the grain refinement is better with the increase of compound modifier addition within 1.
0%范围内,随着复合变质剂含量的逐渐增加,共晶碳化物的形貌和分布得到了改善,晶粒得到细化,分布趋于均匀,轧辊用高速钢的硬度略有下降,但韧性有很大提高。
3.
The result shows that the morphology and distribution of eutectic carbides in Cr12 steel under new process were improved, spheroidal pearlite and fine grain of alloy carbides were obtained,mechanics properties were enhanced.
试验结果表明,经该工艺处理的Cr12钢,组织中共晶碳化物形态和分布得以明显改善,最终热处理后获得了均匀的细隐晶回火马氏体和弥散分布的细粒状合金碳化物的显微组织,获得了优异的综合力学性能,使热处理后的拉丝模和冷冲模的使用寿命比常规热处理工艺处理的使用寿命提高1～2倍。
6) boriding-and-eutecticum
渗硼共晶化
1.
The direction of the research is lowing temperature, combining boronizing,which are used to improve the co-boronizing layer’s microstructure,microhardness,brittleness and wear-resistance greatly,and boriding-and-eutecticum that makes boronising layer and matrix in metallurgy,which improves the problems of the brittleness and dropping of the layer.
渗硼能够显著提高金属表面的性能,目前的研究方向主要是降低渗硼温度,多元复合渗硼改善渗层显微组织、显微硬度、脆性和耐磨性,以及渗硼共晶化使渗层与基体呈冶金结合,从而改善以往的渗硼层脆性大、容易剥落等问题。
补充资料：共晶共沉淀
分子式：
CAS号：
性质：共沉淀法之一，指无法结晶的微量物质与常量物质产生共结晶沉淀而被载带出来。
CAS号：
性质：共沉淀法之一，指无法结晶的微量物质与常量物质产生共结晶沉淀而被载带出来。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条