The phase structure and high toughness of powder sintered biphase stainless steel and after its ageing have been studied.
研究了粉末烧结双相不锈钢及其时效后的相结构和强韧性。
The content of hydrogen in steel decreases with increasing the ageing time.
随着时效时间的延长，盘条中氢含量逐渐降低；
All steel welded structure, vibrating treatment of ageing for removal of internal stress, with good rigidity and stability.
全钢板焊接结构，综合处理(振动时效、热处理)消除内应力，有很好的刚性与稳定性。
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