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pressure vessel self-enhancement process
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pressure vessel self-enhancement process
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pressure vessel self-enhancement process
压力容器自增强处理
在压力容器制成后对其进行超压处理(压力大于内壁屈服压力),使容器内部产生一层屈服层;当卸压后,由于筒壁外层纤维保持弹性要恢复原状,而内层纤维已经产生塑性变形失去弹性,要阻止外层纤维的回缩,从而导致筒壁内层形成类似套合容器预压应力的现象。
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friction heat, fractional heat
friction hoist
friction initiation
friction layer
frictionless flow
friction loss
friction materials
frictionmeter
friction of metal working
friction pairs
friction pile
friction reducing for gas transmission pipeline
friction reduction stabilizer
friction roller
friction spinning
friction spinning machine
friction stir welding
frictiontape
friction test with slick water
friction vibration
friction wear testing machine
friction welding
friction wheel
friction work
Frida Kahlo
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