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首页> 外文会议>International Symposium on Eco-Materials Processing amp; Design; 20060108-11; Chengdu(CN) >Development of Cube-textured Ni and Ni-W Alloy Tapes by Focused Infrared Heating
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Development of Cube-textured Ni and Ni-W Alloy Tapes by Focused Infrared Heating

机译：聚焦红外加热技术开发立方织构的Ni和Ni-W合金带

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摘要

We fabricated bi-axially textured pure Ni and Ni-5at.%W (Ni-5W) alloy tapes for the application of rechargeable battery cathode and coated superconductor, where the controlled microstructure of the substrate plays a critical role. The sintered Ni or Ni-W rods were cold-rolled into the thin tapes of 80 ～ 100 μm thickness, and the tapes were heat-treated for texture development with a line focused infrared heater. The temperature was maintained at 800 ～ 1050℃, using a 1kW double ended linear halogen lamp in 96%Ar-4%H_2 atmosphere. The (2 0 0) texture of Ni tape was successfully formed through optimization of the recrystallization infrared heating condition for the cold rolled Ni tapes. The full width half maximum of the Ni tapes was less than 10°, and the grain size was 20 ～ 40 μm. Focused IR-heating resulted in a better texture development and smaller grain size compared to the conventional resistive heating because of the steep temperature gradient.
机译：我们制造了双轴织构的纯Ni和Ni-5at。％W（Ni-5W）合金带，用于可充电电池阴极和涂层超导体的应用，在这些带中，基底的可控微观结构起着至关重要的作用。将烧结的Ni或Ni-W棒冷轧成厚度为80〜100μm的薄带，并使用线聚焦红外加热器对带进行热处理以进行纹理显影。在96％Ar-4％H_2气氛中，使用1kW双端线性卤素灯将温度保持在800〜1050℃。通过优化冷轧Ni带的再结晶红外加热条件，成功地形成了Ni带的（2 0 0）织构。镍带的半峰全宽小于10°，晶粒尺寸为20〜40μm。与传统的电阻加热相比，由于陡峭的温度梯度，集中的IR加热导致更好的纹理发展和较小的晶粒尺寸。

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