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powder forming
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powder forming
Encyclopedia
工学
粉末冶金成形
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powder forming
粉末冶金成形
使松散的粉末转变为具有一定形状、尺寸、密度和强度的粉末坯体的工艺过程。是粉末冶金技术的基本工序之一,具有近净成形特点,是实现粉末冶金材料利用率高和少无切削等优点的关键工序。
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primary standard machine of shore hardness
primary standard machine of vickers hardness
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primary standard of absorbed dose to water
primary standard of air kerma
primary standard of angle metrology
primary standard of diffuse transmitted visual
primary standard of exposure
primary standard of flatness
primary standard of illuminance
primary standard of laser small angle
primary standard of laser wave length
primary standard of length
primary standard of line angle
primary standard of luminance
primary standard of luminous exposure
primary standard of luminous intensity
primary standard of microwave phase shift
primary standard of multi-teeth index table
primary standard of spectral irradiance
primary standard of spectral radiance
primary standard of taper gauge
primary standard of total luminous flux
primary standards of national defense
primary star
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