您要查找的是不是:
- Vermicular graphite cast iron exhaust pipe in lost foam casting was introduced. 介绍了消失模法生产蠕铁排气出口管的工艺过程。
- 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。
- An approach of identifying vermicular graphite is introduced in foundry manufacturing using model identifying in fuzzy math. 采用模糊数学的模型识别法,提出了铸造生产中对蠕虫状石墨的一种识别方法。
- The fracture toughness values of vermicular graphite cast iron specimen subjected to four different heat treatment methods were tested and compared. 摘要比较四种热处理方法下蠕墨铸铁试样的断裂韧度。
- It is more than one year that metallographic test being replaced by ultrasonic wave measurement is proved feasible and reliable in practical detection vermicular graphite rate. 并通过一年多的实践进一步证明了用声速法代替金相法测蠕墨铸铁蠕化率是可行的、可靠的。
- The results showed that severe twisting of vermicular graphite is caused not by the effects of modifying elements, but by the in teraction of graphite and austenite. 揭示出蠕墨弯曲频繁主要是石墨和奥氏作相互作用的结果,并非变质元素所致;
- The threshold values and crack growth rates of vermicular graphite cast iron specimen subjected to four heat treatment methods are tested, analyzed and compared. 摘要对在四种热处理方法下的蠕墨铸铁试样进行门槛值和裂纹扩展速率的测试,并对其进行分析和比较。
- The results show that the base structures of vermicular graphite cast iron specimen affect markedly the threshold value and crack growth rate of within low speed growth rate region. 其结果表明,不同的基体组织对蠕墨铸铁的门槛值和低速区的裂纹扩展速率有比较明显的影响,门槛值随相对韧度增大而增大。
- The characters, development and process of Vermicular Graphite Cast Iron (VGCI) were discussed, and then the main reason of diesel locomotive VGCI cylinder head leakage was analyzed. 本文介绍了蠕墨铸铁的特征、发展历程和生产工艺,分析了内燃机车蠕墨铸铁汽缸盖渗漏的主要原因。
- An Approach of Identifying Vermicular Graphite 一种识别蠕虫状石墨的方法
- How to control and check percentage of vermicular graphite was described, and some suggestions toprevent vermicularizing effect degeneration were offered. 介绍如何控制、检测蠕化率,并对如何防止蠕化衰退提出建议。
- percentage of vermicular graphite 蠕化率
- The steel ingot mold made of vanadium titanium vermicular graphitic cast iron has the best comprehensive property. 钒钛蠕墨铸铁是一种新型的工程结构材料,用钒钛蠕铁制造钢锭模具有良好的综合性能。
- Dry Sliding Friction Characteristics of Vermicular Graphite Iron 蠕墨铸铁的干滑动摩擦学特性
- Technology Control of Vermicular Graphite Cast Iron Production 蠕墨铸铁生产工艺控制
- The 40 Years of Vermicular Graphite Cast Iron in China 中国蠕墨铸铁40年
- Studies on Eutectic C ells of Vermicular Graphite Cast Iron 蠕墨铸铁共晶团的研究
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- Keywords vermicular graphite cast iron;eutectic growth;model; 蠕墨铸铁;共晶生长;模式;