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1)  type-D graphite alloyed cast iron
D型石墨合金铸铁
2)  D-type graphite cast iron
D型石墨铸铁
1.
Based on the effect that Pb、As、Sn can increase the supercooling tendency of molten iron, it is possible to use the Pb、As、Sn containing pig iron produced in Fujian province of China and adopt sand mould casting process to obtain D-type graphite cast iron, and its production process was investigated.
基于Pb、As、Sn等元素有增大铁液过冷倾向的作用,利用含Pb、As、Sn的地方生铁,采用合金化和砂型铸造可以获得D型石墨铸铁,对其工艺方案进行了研究。
2.
Two measures was adopted to obtain D-type graphite cast iron including casting in water-cooled permanent mould and adding alloying elements to increase super cooling tendency of the molten iron.
采用水冷金属型铸造,并加入合金元素增大铁液过冷倾向,获得D型石墨铸铁,用以生产空调器压缩机气缸,其金相组织和性能均达到技术要求。
3.
Applying these distribution characteristics of trace elements,it is possible to produce Pb,As,Sn -containing D-type graphite cast iron having excellent mechanical properties.
利用这两种分布规律,制取含Pb、As、Sn D型石墨铸铁,使Pb、As、Sn主要聚集在石墨上,微量残留在基体中,可以获得良好的力学性能。
3)  low alloy compacted graphite cast iron
低合金蠕墨铸铁
1.
The microstructure and properties of low alloy compacted graphite cast iron used in glass mould was observed,its heat physical behavior was tested and industrical experiment was made.
对低合金蠕墨铸铁玻璃模具的显微组织作了观察 ,对其热物性进行了测定 ,并进行了工业性试验。
4)  graphite containing cast irons
石墨铸铁
5)  D-type graphite
D型石墨
1.
By analyzing the forming condition of D-type graphite cast iron,the paper describes the influence of trace alloy elements on the structure and property of D-type graphite cast iron.
通过对D型石墨铸铁认识过程和形成条件的分析,阐述了微量合金元素对D型石墨铸铁的组织和性能的影响,对于提高铸铁的性能具有一定的指导价值。
2.
In this paper, the optimization of chemical composition of austenitic cast iron with D-type graphite was introduced.
对D型石墨奥氏体基体铸铁的化学成分进行了试验设计,研究了高温不同温度下它的抗氧化性能,探讨了抗氧化机理。
3.
The influence of alloying element Ti on the formation of D-type graphite was analyzed from two aspects.
从两个方面分析了合金元素Ti对D型石墨形成条件的影响。
6)  D type graphite
D型石墨
1.
Ni resist castings of D type graphite can be obtained by the addition 20% Ni and 0.
2 %的钛和用FeSi75孕育处理,获得稳定的D型石墨奥氏体铸铁。
补充资料:合金铸铁
      在普通铸铁中加入合金元素而具有特殊性能的铸铁。通常加入的合金元素有硅、锰、磷、镍、铬、钼、铜、铝、硼、钒、钛、锑、锡等。合金铸铁根据合金元素的加入量分为低合金铸铁 (合金元素含量<3%)、中合金铸铁(合金元素含量为 3~10%)和高合金铸铁(合金元素含量>10%)。合金元素能使铸铁基体组织发生变化,从而使铸铁获得特殊的耐热、耐磨、耐腐蚀、无磁和耐低温等物理-化学性能,因此这种铸铁也叫"特殊性能铸铁"。合金铸铁广泛用于机器制造、冶金矿山、化工、仪表工业以及冷冻技术等部门。
  

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