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试样长度对 13CrMo44钢管力学性能的影响

METAL PHYSICS EXAMINATION AND TESTING(2002)

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Abstract
研究了试样长度对13CrMo44珠光体耐热钢管力学性能的影响.研究结果表明,随着L0升高,该钢管的伸长率下降并满足δ=16.9%+68.2% F/L0关系;L0较短时,其对钢管的抗拉强度(σb)和屈服强度(σs)没有什么影响;L0较长时,钢管的σb和σs都稍有下降.解释了产生上述现象的原因.
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