1) Vermicular graphite iron material
蠕墨铸铁材料
2) vermicular iron
蠕墨铸铁
1.
The melt treating techniques used for the production of low alloyed hi-strength gray iron and vermicular iron cylinder blocks and heads were summarized.
综述了用作发动机缸体缸盖的低合金高强度灰铸铁和蠕墨铸铁的铁液处理技术。
2.
6 vermicular iron is an ideal material for exhaust manifold.
6蠕墨铸铁具有优异的抗热疲劳性能,因而在排气管上得以应用。
3.
The principle of using ultrasonic wave to detect the vermicular graphite rate in vermicular iron is introduced.
介绍了超声波声速测定蠕墨铸铁蠕化率的原理,通过用金相和超声波两种方法对蠕墨铸铁蠕化率进行对比测量,验证了蠕化率与声速的对应关系。
3) compacted graphite cast iron
蠕墨铸铁
1.
Low cycle fatigue crack growth rate of compacted graphite cast iron;
蠕墨铸铁的低周疲劳裂纹扩展速率
2.
The effects of carbon equivalent(CE)and elements Cu and Mo on the microstructure and mechanical properties of thin-section compacted graphite cast iron were investigated.
蠕墨铸铁(CGI)是制造高功率密度发动机机体及气缸盖等部件的理想材料。
3.
By scanning electron microscopy,through the observation of process in producing compacted graphite cast iron that contains trace elements such as Sn,As,Ti,Pb,the unique three-dimensional shape of graphite and the specific features of graphite metamorphosis was studied and made a comparison of graphite morphology which contained different trace elements.
通过扫描电镜对富含Sn、As、Ti、Pb等微量元素生铁制取蠕墨铸铁的蠕虫状石墨形貌进行观察,分析了这些石墨的形态及变异石墨的具体形貌,从中比较不同微量元素含量对变异石墨形貌的影响。
4) compacted graphite iron
蠕墨铸铁
1.
Study of cold crack initiation and propagation of compacted graphite iron weld;
蠕墨铸铁同质焊缝冷裂纹启裂与扩展研究
2.
Compacted Graphite Iron Casting Quality Analysis System;
蠕墨铸铁件质量分析系统
3.
In this process,after pre-treating,the melt quality of compacted graphite iron is assessed rapidly and precisely,some corrective adjustment treatments can be carried out when needed to meet production requirements.
高质量蠕墨铸铁的最佳生产方式是在炉前预处理(蠕化和孕育)后,对铁液状态进行快速准确测评,并根据测评结果进行快速调整,实现铁液状态的闭环控制。
5) Vermicular graphite cast iron
蠕墨铸铁
1.
1% FeSiMg4Re17 as vermicular agents and 1% FeSi75 as inoculants,through vermicularizing treatment and inoculation in flat bottom ladle,controlling the smelting iron temperature within 1420～1450℃ and finishing the pouring within 10 minutes after the reaction,eligible vermicular graphite cast iron pieces are obtained.
1%的FeSiMg4Re17作为蠕化剂,1%的FeSi75作为孕育剂,采用平底包冲入法蠕化处理原铁液,控制出铁温度为1420～1450℃,待反应结束后在10min内浇注完毕,可获得合格的蠕墨铸铁工件。
2.
The structure of RE, K and Na microalloying and vermicular graphite cast iron for making glass mould were presented.
介绍了稀土、钾、钠微合金化蠕墨铸铁玻璃模具材质的组织特点,探讨了铸造工艺对模具本体双层石墨形成的影响,总结了稀土残留量和钾、钠微合金化元素与模具材质力学性能和高温性能之间的关系。
3.
The reasons of low percentage elongation of mid Si Mo vermicular graphite cast iron exhaust tube casting in trial production were analyzed.
对试生产的中硅钼合金蠕墨铸铁排气管铸件本体伸长率不足的原因进行了显微组织分析。
6) vermicular cast iron
蠕墨铸铁
1.
The cored wire injection process was used to produce vermicular cast iron.
应用喂丝工艺生产蠕墨铸铁。
2.
The behaviour of a vermicular cast iron containing trace amounts of B and Cu was investigated and compared with that of a Cr - Mo-Cu cast iron.
本文对含微量硼铜的蠕墨铸铁性能进行试验研究,并与合金铸铁性能对比分析。
补充资料：蠕墨铸铁
石墨呈蠕虫状的铸铁（图1、图2），是20世纪60年代中期研制成功的。它的石墨形态介于片状石墨和球状石墨之间，所以力学性能也介于普通灰口铸铁和球墨铸铁之间。蠕墨铸铁的化学成分(％)通常为:C3.5～3.9,Si2.2～2.8,Mn 0.4～0.8,P<0.06,S<0.06,R(稀土)0.04～0.06。它的物理性能和铸造性能优于球墨铸铁，接近普通灰口铸铁。蠕墨铸铁广泛用来制作钢锭模、排气管、汽缸等。
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