熱處理對磁致伸縮波導(dǎo)絲性能的影響

熱處理對磁致伸縮波導(dǎo)絲性能的影響Effects of heat treatment on magnetostrictive waveguide wire performance

以Ni-Fe為主要成份制備磁致伸縮波導(dǎo)絲，研究了熱處理對合金棒和波導(dǎo)絲性能的影響。試驗(yàn)表明，熱處理后的合金棒軟磁性能得到改善，飽和磁致伸縮系數(shù)能提高4．0×10^-5左右；波導(dǎo)絲熱處理后熱彈系數(shù)能從負(fù)上升到零，彈性模量隨著熱處理溫度的升高先升高后降低，而熱處理溫度對波導(dǎo)絲熱膨脹系數(shù)基本沒影響。

Ni and Fe are the two main elements of magnetostrictive waveguide wire, and the effect of head treatment on alloy rods and waveguide wire. After heat treatment of alloy rods, the soft magnetic performance will be improved, and saturation magnetostrictive coefficient can be up about 4.0×10^-5Under heat treatment of waveguide wire, temperature coefficient of modulus of elasticity can be zero improved from negative, elastic modulus increase then reduce with the temperature of heat treatment, but coefficient of thermal expansion will not change much with the temperature.

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