1) Cr-Cu micro-alloyed medium phosphorus grey iron
铬铜中磷灰铸铁
1.
needle-like microstructure should be prevented to appear in matrix and adopt Cr-Cu micro-alloyed medium phosphorus grey iron and lower C equivalent.
探讨了铬铜中磷灰铸铁活塞环(材料代号STD)的铸态组织分布规律,进而研究了STD活塞环铸态组织对活塞环的力学性能和摩擦磨损的影响,从而提出改进STD活塞环铸态组织的热稳定性和磨损性能的途径:要提高活塞环的热稳定性,必须防止基体组织出现针状组织;采用Cr和Cu微合金化中磷灰铸铁活塞环和降低活塞环的碳当量可提高活塞环的耐磨性。
2) mid-phosphor gray iron
中磷灰铸铁
3) chrome-copper cast iron
铬铜铸铁
1.
This article has made an analysis and discussion of typical production data in production of heavy machinery antifriction parts by using chrome-copper cast iron instead of molybdenum-copper cast iron on the condition of cupola smelting.
对在冲天炉熔炼条件下,应用铬铜铸铁代替钼铜铸铁生产重型机械减摩件的典型生产数据进行了分析与讨论,并简要总结了控制铬铜铸铁力学性能的实践经验,以及钼铜、铬铜和铬镍铸铁的特点与选用原则。
4) medium chrome cast iron
中铬铸铁
1.
Valence electron structure of medium chrome cast iron and its influence to medium temperature phase transformation;
中铬铸铁价电子结构及其对中温相变的影响
2.
The medium chrome-silicon cast iron(290Cr8Si2) is studied for increasing the M7C3content in eutectic carbide in medium chrome cast iron.
为提高中铬铸铁共晶碳化物中M7C3比例,研究了中铬硅铸铁(290Cr8Si2)。
5) Medium-chromium cast iron
中铬铸铁
1.
Influences of aging treatment,quenching temperature and tempering temperature on structure and property of medium-chromium cast iron were investigated.
研究了时效处理、淬火加热温度和回火温度对中铬铸铁组织性能的影响。
2.
The influences of types of modificators and their added volume fractions on the structure and properties of medium-chromium cast iron were investigated.
探讨了在相同试验条件下,变质剂种类及其加入量对中铬铸铁组织和性能的影响。
3.
The influence of Si/C ratio and speed of cooling on the as-c ast structure and properties of medium-chromium cast iron was investig ated.
研究了Ｓｉ／Ｃ和冷却速度对中铬铸铁铸态组织和性能的影响规律。
6) medium chromium cast iron
中铬铸铁
1.
The results of study on the microstructure and thermal analysis of samples of the medium chromium cast iron with 2 79%C 7 17%Cr 0 48%Mn and various silicon content cast by metal mold and sand mold are: the fraction of (Fe,Cr) 7C 3 carbide increases with augmentation of silicon content and decrease of cooling rate.
对金属型和砂型铸造的含硅量不同的 2 79%C 7 17%Cr 0 48%Mn中铬铸铁试样进行了显微组织研究和热分析 ,结果表明 :(Fe ,Cr) 7C3 碳化物量随含硅量的增加和冷却速度的降低而增加。
补充资料：灰中苔
灰中苔
灰中苔 病状名。指舌中央有灰色苔。多见于寒热夹杂的吐蛔症，多伴有消渴、气上冲心，饥不欲食，食即吐蛔等证。宜安蛔止痛。灰中苔亦有见于里实热证者。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条