金属切削机床灰铸铁件.技术条件 

本标准规定了金属切削机床灰铸铁件的技术要求、试验方法、检验规则、标示和质量证明书。本标准适用于在砂型中火热导性于砂型相当的铸型铸造的各种铸件。对于采用耐磨铸铁的机床导轨铸件,除按相关的机床导轨耐磨铸铁技术条件中规定的特殊验收项目进行检验外,还应符合本标准的规定。组合机床和特种加工机床灰铸铁件亦应参照使用。
四川长征机床集团有限公司  中国标准  2011年 下载次数(0)| 被引次数(0)

Microstructure evolution in grey cast iron during directional solidification 

The solidification characteristics and microstructure evolution in grey cast iron were investigated through Jmat-Pro simulations and quenching performed during ...
《International Journal of Minerals Metallurgy and Mat…》  2017年 第08期 下载次数(21)| 被引次数(1)

Grey relationship analysis and grey forecasting modeling on thermal stability of synthetic single diamond 

Through analyzing 7 Ib-type samples of synthetic single diamonds by their DTA and TG in air, we ascertained the extrapolated onset temperature on the curves of ...
《Journal of Harbin Institute of Technology》  2006年 第01期 下载次数(42)| 被引次数(2)

灰铸铁发动机缸体铸造工艺优化及其组织结构与性能 

灰铸铁是发动机缸体常用材料。本文通过开展铸铁熔炼配料设计、铸件组织结构及力学性能、铸件生产主要类型缺陷的产生原因及其消除措施等研究,优化灰铸铁发动机缸体铸件的生产工艺,改善结构,提高性能及产品质量,降低废品率,为开发薄壁、高强汽车发动机缸体关键零部件制造技术奠定基础。采用显微结构分析与热力学计算相结合,研究某汽车发动机...
合肥工业大学  硕士论文  2016年 下载次数(281)| 被引次数(4)

Application of complex inoculants in improving the processability of grey cast iron for cylinder blocks 

Effect of several complex inoculants on mechanical properties, process-ability and sensibility of grey cast iron used in cylinder block were investigated. The e...
《China Foundry》  2006年 第02期 下载次数(35)| 被引次数(0)

金属陶瓷颗粒尺寸与WC含量对双结构Ti(C,N)基金属陶瓷组织和性能的影响(英文) 

研究了原始金属陶瓷颗粒尺寸和WC添加量对双结构Ti(C,N)基金属陶瓷组织和性能的影响。结果表明,Ti(C,N)基金属陶瓷颗粒在基体中均匀分布。随着WC含量的增加,基体上的白芯/灰壳和无芯组织逐渐增多。此外,还发现了一种具有四层复合结构的新相。随着颗粒尺寸的增加,断裂韧性增加,而抗弯强度和硬度呈相反的趋势。随着WC含量...
《稀有金属材料与工程》  2019年 第02期 下载次数(112)| 被引次数()

Optimization approach hydroforming car beam billets based grey system theory 

Perfect combination of structural size parameters of the hydroforming billets is essential to obtain even wall-thicknesses of the car-beam.Finite element(FE)ana...
《Journal of Beijing Institute of Technology》  2011年 第01期 下载次数(95)| 被引次数(3)

Optimal Heating in Heat-Treatment Process Based on Grey Asynchronous Particle Swarm Optimization 

To ensure plate heating quality and reduce energy consumption in heat-treatment process, optimal heating for plates in a roller hearth furnace was investigated ...
《Journal of Iron and Steel Research(International)》  2012年 第12期 下载次数(37)| 被引次数(2)

Improving chill control in iron powder treated slightly hypereutectic grey cast irons 

Recent studies revealed that in eutectic to slightly hypereutectic grey irons(CE = 4.3%-4.5%) the presence of austenite dendrites provides an opportunity to imp...
《China Foundry》  2011年 第02期 下载次数(30)| 被引次数(2)

Complex(Mn,X)S compounds-major sites for graphite nucleation in grey cast iron 

Despite the cubic system,the ability of sulphides to nucleate graphite can be enhanced by inoculating elements which transform them in complex compounds with a ...
《China Foundry》  2009年 第04期 下载次数(34)| 被引次数(6)

Optimization of structural parameters for elliptical cross-section spiral equal-channel extrusion dies based on grey theory 

The elliptical cross-section spiral equal-channel extrusion (ECSEE) process is simulated by using Deform-3D finite element software. The ratio m of major-axis t...
《Chinese Journal of Aeronautics》  2013年 第01期 下载次数(74)| 被引次数(3)

Improvement of Grain Size and Dome Height of Microalloyed Steels Using Taguchi Method Based on Grey Relational Grade in Controlled Rolling 

An efficient approach was introduced for improving the condition of major controlled rolling process parameters of roughing,finishing and coiling temperatures a...
《Journal of Iron and Steel Research(International)》  2013年 第12期 下载次数(93)| 被引次数(4)

Optimizing SUS 304 wire drawing process by grey relational analysis utilizing Taguchi method 

In the stainless steel 304 (SUS 304) wire drawing process, optimizing the die life and wire tensile strength, which are the larger-the-better quality characteri...
《Journal of University of Science and Technology Beij…》  2008年 第06期 下载次数(74)| 被引次数(3)

Quantitative inspection on graphite length of grey iron 

Graphite length is an important item in metallographic inspection of grey iron. Computer aided quantitative metallography is developed rapidly and has become...
《China Foundry》  2007年 第02期 下载次数(11)| 被引次数(2)

Sliding Wear Behavior of a Grey Cast Iron Surface Remelted by TIG 

The sliding wear behavior of a grey cast iron surface remelted by tungsten inert gas(TIG)was studied and compared with the unremelted one in the current work.To...
《Journal of Materials Science & Technology》  2009年 第05期 下载次数(47)| 被引次数(1)

共找到相关记录78条上一页>123456下一页