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17-4ph chen dian ying hua bu xiu gang kang la qiang du yu ying du guan xi de fen xi
Author(s): 
Pages: 25-28
Year: Issue:  4
Journal: Valve

Keyword:  沉淀硬化钢马氏体不锈钢洛氏硬度抗拉强度线性拟合显著性检验;
Abstract: 以17-4PH沉淀硬化不锈钢材料为研究对象,开展了拉伸试验和硬度检验,利用最小二乘法进行曲线拟合,结果表明17-4PH材料的洛氏硬度和抗拉强度存在强正相关关系,拟合的预测公式具有较强的显著性,可通过检验材料硬度对抗拉强度进行预测,达到节约材料、提高效率和保证产品质量的目的。
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