By optimizing composition, foundry method, melting process and heat treatment process, the rate of qualified castings was increased up to 85%.
通过对成分、铸造工艺、熔炼工艺及热处理工艺的优化，使铸件的工艺出品率达到85%。
Foundry method, melting process, heat treatment process for nodular iron crankshaft was introduced and the measures to prevent common defects were described.
介绍了球墨铸铁曲轴的铸造方法、熔炼工艺和热处理工艺，同时描述了预防一般缺陷的措施。
The result shows that the strength, especially elongation, of adjusted pressure casting sample is increased dramatically under the same conditions of melting and heat treatment.
结果表明，在相同的熔铸工艺和热处理条件下，调压铸造试样的强度，特别是延伸率得到大幅度提高。
The influence of melting ambience, illumination time and heat treatment temperature on photosensitive of photoactive glass ceramic were studied. The samples were analyzed by XRD and SEM.
研究了熔制气氛、光照时间及热处理温度对铜光敏微晶玻璃光敏性的影响，利用XRD和SEM对样品进行了分析。
Chemical composition, melting processes, casting and heat treatment of high chromium cast iron were determined according to the requirement of materials for dredge pump cover.
在分析杂质泵护套材质要求的基础上，确定了高铬铸铁的化学成分和熔炼、铸造及热处理工艺。
This article has described the manufacturing process of the compound bushing rolls in the aspect of melting, pouring, forging, heat treatment and machining.
从冶炼、浇注、锻造、热处理、机械加工等方面对复合镶套轧辊的制造过程进行了介绍。
The specifications give details of the chemistry, mechanical properties, heat treatment, melting and processing details, hardness limits and NACE instructions for the material in question.
规范包括化学成分，机械性能，热处理，冶炼加工，硬度范围和NACE材料规范等详细信息。
According to the result of the DSC test, the melting temperature range of the fiber became narrow as the increasing of heat treatment temperature.
通过DSC发现随着热处理温度的升高纤维的熔融温度范围变窄。
The number of melting peaks was increased from 1 to 2 with the increase of draw ratio after heat treatment under relaxation and from 1 to 3 after heat treatment under partial tension or full tension.
随着拉伸倍数提高，纤维经松弛状态下热处理后，其熔融峰数目由1个变为2个；而经部分张力和张力状态下热处理后，其熔融峰数目均由1个变为3个。
In melting, casting, bending, forging, welding and surface heat treatment and other industries widely used.
已在熔炼、铸造、弯管、热锻、焊接和表面热处理等行业广泛应用。
The main production technology of BSEC includes alloy melting, continuous casting continuous extruding, rolling, online detection, drawing molding, heat treatment, etc.
北赛电工接触线的生产工艺主要包括合金熔炼、连续铸造、连续挤压、轧制、在线探伤、拉拔成型以及热处理等。
Uses: Suitable for drying, stoving, wax-melting and heat treatment in laboratories in mines and enterprises, research institutes, medical units.
用途概述：适用于工矿企业、科研院所、医药卫生等单位实验室作干燥、烘焙、熔腊、热处理之用。
Uses: Suitable for drying, stoving, wax-melting and heat treatment in laboratories in mines and enterprises, research institutes, medical units.
用途概述：适用于工矿企业、科研院所、医药卫生等单位实验室作干燥、烘焙、熔腊、热处理之用。
应用推荐