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一、前言 Fe-Mn基合金由于在低于反铁磁转变点T_N产生因瓦和埃林瓦效应,加之该类合金不含或少含贵重稀缺元素,在研制无磁低膨胀和无磁恒弹性合金中一直受到重视。在合金成分确定的情况下,冷变形压下量和回火温度对扬氏模量及温度系数影响的系统性研究,至今见之不多。本工作系统地研究了冷变形和回火对Fe-Mn基合金的△E/E-T曲线影响,为选择最佳制备工艺在室温附近的一定温度范围内获得无磁恒弹性特性提供了依据。
I. INTRODUCTION Fe-Mn-based alloy due to lower than the antiferromagnetic transition point T_N due to tile and Ehrinva effect, combined with this type of alloy containing less or less valuable scarcity elements in the development of non-magnetic low expansion and non-magnetic constant Flexible alloy has always been valued. Systematic studies on the influence of cold deformation reduction and tempering temperature on Young’s modulus and temperature coefficient are still rare until the composition of the alloy is determined. This work systematically studied the effect of cold deformation and tempering on the △ E / E-T curve of Fe-Mn-based alloys, which provided a basis for selecting the best preparation process to obtain non-magnetic and constant elastic properties within a certain temperature range near room temperature.