Its microstructure is fine pearlite and carbides. 金相组织是细珠光体和碳化物。
It is shown that the microstructures can be divided into recrystallized layer, fine-grained layer, deformed layer and normal matrix from the interface into interior, and the hardness of ferrite and pearlite in fine-grained layer is the highest. 结果表明,从界面到靶板内部其显微组织可分为:再结晶层,细晶层,形变层及基体组织。细晶层中的铁素体和珠光体的硬度最高。
The result states that the fracture surface of sample is silver grey colour, the grain is fine, the shape of graphite is D type graphite and the matrix structure is fine pearlite. 结果表明,试样断口呈银灰色,晶粒细小而致密,石墨形态为D形石墨,基体组织为细片状珠光体(>90%);
Rolling process for heavy rails with supper fine pearlite microstructure 超细珠光体组织重轨轧制工艺的探讨
The completely hardening region is composed of fine acicular martensites, residual austenites and a few dot-like carbonides and the transition region is made up of martensites and sorbites ( pearlite). 完全硬化区由细小针状马氏体、残余奥氏体和少量点状碳化物组成,过渡区由马氏体和回火索氏体(珠光体)组成;
The fine structure of ferrite and cementite as well as the character of interface combination between the two phases in pearlite have been studied. 研究了珠光体中铁素体和渗碳体的精细结构及两相界面结合特征。
The result shows that in a great scope of cooling rates, constant percentage of fine pearlite and ferrite can be obtained. 结果表明在相当大的冷却速度范围内,可获得稳定体积百分含量的细片状珠光体加铁素体组织。
The results show that, in hypoeutectoid steels, deformation at medium temperature may fine the structure and improve the distribution of ferrite and pearlite greatly; 结果表明,对于亚共析钢,在中温区变形、保温后可使先共析铁素体和珠光体组织大大细化,显著改善钢中铁素体和珠光体的分布状况;
The author concludes that when rail of high carbon steel is heated to 900-1000 ℃, then cooled down at rate ranging from 3 to 10 ℃/ s, a fine pearlite microstructure is obtained, providing high strength and excellent fatigue resistance of the rail. 通过研究作者认为,高碳钢轨被加热到900~1000℃、在3~10℃/S冷却速度下冷却可得到细片状珠光体组织。
The material with even, fine micro-structure, without MnS inclusion, without ferrite/ pearlite banded microstructure has good HIC performance. 金相显微组织均匀、细化,无条状MnS夹杂物、无铁素体/珠光体带状偏析的管线钢抗HIC性能优良。
Respectively adding Ni element can get the most fine lamellar pearlite. 单独添加Ni元素得到珠光体组织片层最细。
Ti ( C, N) particles reinforced iron base composite tissue form with the fine granular and needle pearlite steel substrate and Ti ( C, N) enhancing particle composition. Ti(C.N)颗粒增强铁基复合材料组织由细粒状珠光体加上针状珠光体基体和Ti(C,N)增强颗粒组成。