粉末锻造零件通常不像冷挤压和烧结零件那样接近最终尺寸或形状。
Powder forged parts generally are not as close to final size or shape as cold pressed and sintered parts.
在粉末锻造中，压制零件一般加热到远低于该材料通常烧结温度的锻造温度，然后在闭模中锻造。
In powder forging an as-pressed component is usually heated to a forging temperature significantly below the usual sintering temperature of the material and then forged in a closed die.
应用：退火，淬火，锻造，烧结，回火，玻璃和陶瓷的热处理。
Applications: annealing, hardening, forging, sintering, tempering of metals, heat treatment of glass and ceramics.
结果表明：烧结体的镦粗变形规律与致密体相同。指出了曲柄压力机是粉末锻造工艺的最佳设备。
The results show that the upsetting deformation law of sintered preform is alike with the compact body, and the crank press is the best equipment of powder forging technology.
围绕粉未烧结体锻造变形的特点，讨论了粉末锻造模具设计的若干问题，并对一些粉末锻造模具进行了分析。
Some problems of design for powder hot forging die have been discussed around the characteristics of forging deformation of powder preforms.
在相同温度下进行粉末烧结体热复压，锻造力的增加往往使锻造密度也增加。
In the hot repressing of the powder sintered preforms, the increasing forging force increases its densities at a constant temperature.
应用：广泛应用于各种中频炉锻造、有色金属冶炼、热处理电炉、冶金烧结炉以及化工等行业。
Application: Widely used in all kinds of intermediate frequency furnace forging, non-ferrous metal smelting, heat treatment furnace, metallurgy sintering furnace and the chemical industry, etc.
气门头可通过一次压制和烧结、两次压制和烧结、锻造和机加工、锻造和烧结及动磁压制成形和烧结而制成。
The valve head may be made by single press and sintering, double press and sintering, forging and machining, forging and sintering, and dynamic magnetic compaction and sintering.
运用有限元软件对钼粉烧结体近等温包套锻造成形过程进行了分析。
Abstract :Near-isothermal canned forging for molybdenum powder sinter was investigated by using finite element software.
运用有限元软件对钼粉烧结体近等温包套锻造成形过程进行了分析。
Abstract :Near-isothermal canned forging for molybdenum powder sinter was investigated by using finite element software.
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