An iron-carbon alloy initially containing0.273wt%Cis exposed to an axygen-rich and virtually carbon-free atmosphere at1080°C. Under these circumstances the carbon diffuses from the alloy and reacts at the surface with the oxygen in the atmos...
Steel is an alloy composed ___of iron and carbon. A.primarilyB.traditionallyC.carefullyD.partially 答案 A[解析] primarily主要地;traditionally传统上地;carefully小心地,谨慎地;partially部分地。该句的意思是“钢铁主要是由铁和碳构成的一种合金”,故答案为A。相关推荐 1Steel is an alloy composed ___of...
百度试题 结果1 题目Steel is an alloy composed___of iron and carbon. A primarily B traditionally C carefully D partially 相关知识点: 试题来源: 解析 A 反馈 收藏
Material and its preparation method and its use for die casting of an iron alloy containing carbonPURPOSE: To execute the suitable die casting without melting surface layer part of a raw material and to improve the yield and the productivity by executing surface decarbonizing treatment under the ...
答案:A.primarily B.traditionally C.carefully D.partially 正确答案:primarily 你可能感兴趣的试题 问答题 Dr. Welson’s wealth enabled him to ()his passionate interest in art. 答案:A.pursue B.appreciate C.conclude D.encounter 正确答案:pursue ...
Iron containing more carbon than the solubility limit in austenite (about 2%). Cast steel. Steel in the form of castings, usually containing less than 2% carbon. Cathodic corrosion. Corrosion caused by a reaction of an amphoteric metal with the alkaline products of electrolysis. Cathodic inhibitor...
英语翻译Steel is an alloy of iron and carbon with other elements added to produce specific properties.the various types of steel can be grouped under two major headings.carbon steel .a steel in which the main alloying element is carbon .carbon steels are further divided into three groups .low...
百度试题 题目Steel is an alloy(合金)composed ()of iron and carbon. A.primarily B.traditionally C.carefully D.partially相关知识点: 试题来源: 解析 primarily 反馈 收藏
Carbon increases nitrogen activity and promotes formation of iron carbonitrides at lower nitriding potentials. Transition metals (aluminum, chromium, vanadium, tungsten, and molybdenum, etc.) as alloy elements increase the nitrogen solubility of the ferrite. These substitutional alloy elements form stable...
英语翻译Steel is an alloy of iron and carbon with other elements added to produce specific properties.the various types of steel can be grouped under two major headings.carbon steel .a steel in which the main alloying element is carbon .carbon st