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Effect of nitrogen on tensile flow behaviour of type 316 LN austenitic stainless steel

机译：氮对316 LN奥氏体不锈钢拉伸流动行为的影响

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摘要

The influence of nitrogen content on the tensile flow behaviour of type 316 LN austenitic stainless steel has been studied. Nitrogen content in the steel has been varied in the range 0.07 to 0.22 wt-%. Tensile tests were carried out over the temperature range of 300-1123 K at a nominal strain rate of 3 x 10(-3) s(-1). The tensile flow behaviour of the steels has been analysed based on the constitutive equation proposed by Voce. The Voce's parameters of initial stress (sigma(i)) and saturation stress (sigma(s)) were found to increase linearly with increase in nitrogen content at all the test temperatures. Tensile properties of the steels were predicted from Voce constitutive equation parameters.
机译：研究了氮含量对316 LN奥氏体不锈钢拉伸流动行为的影响。钢中的氮含量在0.07至0.22 wt％的范围内变化。在标称应变率为3 x 10（-3）s（-1）的300-1123 K的温度范围内进行了拉伸试验。根据Voce提出的本构方程分析了钢的拉伸流动行为。发现在所有测试温度下，初始应力（sigma（i））和饱和应力（sigma（s））的Voce参数都随着氮含量的增加而线性增加。从Voce本构方程参数可预测钢的拉伸性能。

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