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近几年来,随着我国社会主义建设事业的高速发展,许多新材料日益广泛地应用于产品结构中。在铝合金制品中,已开始逐渐用热处理可强化的高强度铝合金来代替热处理不能强化的铝合金,从而大大的减轻了产品的重量,提高了产品的使用性能。我厂近来就接受了一项用LD10材料制成的产品的生产。这种材料具有强度高、屈服点高的优点,但焊接性能比较差。我厂广大工人和技术人员本着伟大领袖毛主席‘中国人民有
In recent years, with the rapid development of China’s socialist construction, many new materials are increasingly being applied to the product structure. In the aluminum alloy products, the high-strength aluminum alloy which can be strengthened by heat treatment has been gradually replaced by the aluminum alloy which can not be strengthened by the heat treatment, thereby greatly reducing the weight of the product and improving the serviceability of the product. Recently, our factory has accepted the production of a product made of LD10 material. This material has the advantages of high strength, high yield point, but the welding performance is relatively poor. Our factory majority of workers and technicians in line with the great leader Chairman Mao ’Chinese people have