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一、表面工程的概况 表面工程是近年来国外兴起的一个异常活跃的新工程领域。1985年举行了第一届表面工程国际会议。1986年10月在布达佩斯举行的国际材料热处理联合会理事会决定接受表面工程学科。1987年在世界各地举办了有关表面工程的国际学术会议达28次,其中包括在英国举行的第二届表面工程国际会议。1988年10月在日本举办了日本第三届表面工程学术会议。 随着工业现代化的发展,对各种机械设备零件的表面性能要求愈来愈高,一些在高速、高温、高压、重载、腐蚀介质等条件下工作的零件,往往因其表面局部损坏而使整个零件报废,最终导致设备停产。为提高零件的可靠性、延长使用寿命,世界上许多国家,都在努力研究和应用各种提高零件表面性能的新技术、新工艺,如采用非金属材料的表面硬化处理(C、N、B元素表面扩散处理)、物理气相沉积(PVD)、化学气相沉积(CVD)、电镀、刷镀、热喷涂、激光表面强化、化学粘涂、堆焊等。这些用以修复并强化零件表面,赋予零件耐高温、防腐蚀、耐磨损、抗疲劳、防辐射、导电、
First, the overview of surface engineering Surface engineering is the rise of foreign countries in recent years an exceptionally active new areas of engineering. In 1985 the first international conference on surface engineering was held. In October 1986 in Budapest, the International Federation of Materials Heat Treatment Council decided to accept the surface engineering discipline. In 1987, 28 international academic conferences on surface engineering were held around the world, including the 2nd International Conference on Surface Engineering in the UK. In 1988 October held in Japan, Japan’s third surface engineering conference. With the development of industrial modernization, the surface performance requirements of various mechanical equipment parts are getting higher and higher. Some parts that work under the conditions of high speed, high temperature, high pressure, heavy load and corrosive medium are often caused by partial damage on the surface The entire part scrapped, eventually leading to equipment outage. In order to improve the reliability of parts and prolong the service life, many countries in the world are trying hard to research and apply various new technologies and new techniques to improve the surface properties of parts, such as surface hardening with non-metallic materials (C, N, B Elemental surface diffusion treatment), physical vapor deposition (PVD), chemical vapor deposition (CVD), electroplating, brush plating, thermal spraying, laser surface strengthening, chemical adhesion coating, These are used to repair and strengthen the surface of the part, giving the parts high temperature, corrosion resistance, wear resistance, fatigue resistance, radiation protection, electrical conductivity,