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上海市彩管工程材料国产化攻关会战项目,彩色显象管用横拼双金属LT-14系由高膨胀合金与低膨胀合金沿带材侧边焊接而成,用于彩色显象管荫罢热补偿及框架支撑。是球面屏及平面直角屏彩管避免彩色失真的重要金属功能材料。上海电子管厂从美国GE公司引进的14″彩管生产线年产50万只彩管需横拼双金属片150万只,目前依靠进口,耗外汇约55.5万美元。为实现彩管用横拼双金属LT-14材料国产化,1987年冶金部立项开展研究工作,1988年8月
Shanghai CPT engineering materials localization battle project, color CRT with horizontal fight bimetallic LT-14 by the high-expansion alloy and low-expansion alloy welded along the strip side, for the color CRT shade strike hot Compensation and framework support. Is a spherical screen and flat rectangular screen color tube to avoid color distortion important metal functional materials. Shanghai Electronic Tube Factory from the United States GE company introduced 14 "CPT production line with an annual output of 500000 CPT need to spell bimetal 1.5 million, currently relying on imports, foreign exchange of about 555,000 US dollars .To achieve the CPT horizontal bimetallic LT-14 material localization, metallurgical department in 1987 to carry out research projects, August 1988