合金系 meaning in English
alloy system
Examples
- Abstract : a wear - resistant electrode used in high stress state is studied . by adjusting electrode ' s component , we find a alloy system which is suitable to shredders with hammer . microstructure and x - ray analyses indicate that the hardfacing microstructure consist of martensite , retained austenite and carbonide
文摘:研制了一种适用于高冲击条件下抗磨堆焊焊条，通过反复调整焊条药皮组成，找到了可应用于锤式破碎机锤头堆焊的合金系。 - The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules , considering the number of covalent bond pairs on the strongest bond in a segregation structure na , the elements for matrix - strengthening can be chosen . ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams , which have been worked out , the contents of alloy elements can be identified with reference to the types , quantity and phase - transformation of carbides . ( 3 ) both the values relating to toughness ( including bending strength , yield strength , impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel
结果得出： ( 1 )根据固体与分子经验电子理论，利用偏聚结构单元的最强共价键上的共用电子对数n _ a ，可以选择工模具钢基体相的强化元素； ( 2 )根据合金系相平衡热力学计算及已有的相图，可以碳化物类型、数量及其相变确定合金元素含量； ( 3 )新型dm9钢在强韧性(抗弯强度、屈服强度、无缺口冲击值)和硬度方面均高于cr12mov钢； ( 4 )以dm9钢与6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四种模具钢的实验比较，进一步验证了上述冷作模具钢合金设计方案是合适的。 - The composite roll of high speed steel has the synthetical life of over ten times more than traditional high cr cast iron roll . now the research and production of the high speed steel for roll are very drastic . in this thesis , the microstructure , heat treatment and performance of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) are studied systematically by using metallograph , method of lattice , xrd , sem , eds and hardness
本文利用金相法(包括黑白金相和彩色金相) 、 x射线衍射( xrd ) 、扫描电子显微镜( sem ) 、能谱( eds )及洛氏硬度分析仪等手段，对复合轧辊用高速钢fe - 2 c - 4 v - 4 mo - 5 cr - x w (其它部分如未作特殊注明均为质量分数)合金系的显微组织、热处理工艺及性能进行了系统地分析。 - The results show that the solidification microstructure of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) contains of martensite , retained austenite structure , and mc , m6c , m2c carbides , and mc / m2c complex carbides by xrd , sem and metallographs . most of the mc carbides locate in the cell and other carbides distribute along the boundary of the cell
结果表明：经金相组织观察、 x射线衍射和扫描电镜分析， fe - 2 c - 4 v - 4 mo - 5 cr - x w合金系高速钢凝固组织包含马氏体基体、残余奥氏体及各种类型的碳化物如mc型碳化物、 m _ 2c型碳化物、 m _ 6c型碳化物和mc m _ 2c类型复杂碳化物，大部分mc型碳化物分布于晶粒内部，其它类型碳化物则沿晶界呈网状分布。