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- pearlitic structrure 珠光体组织
- Structure made of pearlitic stabilized cast-iron with parts in stabilized steel. 珠光体铸铁机架,部分部件高强度钢铸造。
- H . Leland,D . Pyle . Informational Asymmetries Financial Structrure and Financial Intermediation [J] . Journal of Finance . 1977 . 蒂米奇.;威塔斯:;上海财经大学出版社2000年7月第1版;第61页
- Abstract In this paper a review on solid phase synthesis of small molecule libraries with heterocycle structrure is presented. 摘要本文综述了近年来关于含杂环小分子库固相合成的研究进展。
- Properties of pearlitic steel and austenitic stainless steel compound pipes TIG welded joint are studied in this paper. 研究了珠光体钢和奥氏体不锈钢复合管钨极氩弧焊(TIG)接头的性能。
- The roll barrels are mainl composed of pearlitic or temper sorbite in the microstruscutre. 辊身金相组织为珠光体或回火索氏体。
- The effects of boron oxide on the structrure and tansition temperature of alumino-borosilicate glasses were investigated using IR and DSC techniques. 采用红外光谱、示差扫描量热分析等手段研究了氧化硼对铝硼硅酸盐玻璃结构及转变温度的影响,并用粉末法测试了玻璃的耐水性。
- Pearlitic nodular rolls are obtained by adding alloy elements of Ni, Cr, Mo into the nodular cas iron and following special heat treatment. 珠光体球墨铸铁轧辊是在球墨铸铁中加入镍、铬、钼合金元素,经过特殊热片理得到珠光体球铁轧辊。
- Itis application to many sorts of materials Its features are novel structrure,adveanced technoloty,high extrusive pressure.high production and high degree. 可适用于多种原料,具有结构新颖,技术先进,挤出压力大,产量高,真空度高的特点。
- Pearlitic nodular rolls have high strength, good thermal properties and resistance to energenvies as well as small hardness decrease of working layer. 珠光体球墨铸铁轧辊具有朗好的强度、高温性能和抗事故性能,其工作层硬度落差小。
- The results show that thermal fatigue cracks initiate at graphite cusps and in the pearlitic matrix and eutectic carbide. 结果表明,热疲劳裂纹在石墨尖端处、珠光体基体及共晶碳化物中萌生;
- The effects of magnetic field on heat conduction of ferritic and pearlitic steels in the magnetic field heat treatment were studied. 观察、分析了在磁场热处理条件下磁场对传热的作用。
- The results of experiment show that the key to getting as-cast pearlitic ductile iron QT800-2 at the usual condition is to contro... 试验结果表明,在一般铸造条件下获得铸态珠光体QT800-2的要点是严格控制碳当量,优选好铜和钼等合金元素的配比及冶金工艺。
- GUO Zheng-hong.Progress in the pearlitic transformation mechanism in steels[J].Trans of Mater and Heat Treatment, 2003,24: 1 - 7. [1]郭正洪.;钢中珠光体相变机制的研究进展[J]
- Under heavily cold-drawn deformation, the ferrite lamellae and cemmentite lamellae in pearlitic steel change into ultra-fine and nano-sized grains. 摘要经过强烈变形,珠光体钢组织中铁素体和渗碳体均发生强烈细化,形成了超细晶、纳米晶;
- Thin laminar pearlitic colony is the element of a kind of two-phase materials,which is composed of the thin lamellas of ferrite and cementite one over the other. 细片层珠光体团是由铁素体片和渗碳体片交替叠合而成的复相材料。
- In this paper, the system structrure, main fuction and warking principle of the computer control system for large-scale electric arc furnace. The system software AMX and control algorithm are also discussed deeply. 介绍了大型电弧炉计算机控制系统的结构、主要功能及工作原理,并就系统软件AMX及控制算法进行了讨论。
- The treatment of affinity for oil, the dispersing process, the method to enhance the pearlitic effect and the influence of shear force on lustre effect were discussed. 研究了珠光颜料的亲油处理、分散过程、提高珠光效果的途径以及剪切力对光泽效果的影响等,并确定了合适的工业化生产工艺。
- NET Framework. Particularly, this dissertation has designed several following parts: the structure of ECM and EMM,the architecture of key systems,the concrete structrure of CAS and the interface each other,etc. 具体来讲,包括密钥体系结构的设计,ECM和EMM信息结构的设计,CA系统具体结构及其接口的设计等。
- On the base of the proportional solidification principle, the problem of casting's shrinkage porosity was solved and fine casting with as cast pearlitic structure was obtained. 采取平做、平浇、平冷和复合运用微量合金元素及多次孕育等技术措施,利用均衡凝固理论解决曲轴内部缩松,获得合格曲轴铸件,并得到铸态珠光体组织。