【摘要】 简述了扩散焊接的发展及应用，扩散焊接的基本原理、特点、主要工艺参数及扩散焊接设备的基本组成，论述了我国石油工业科研、生产领域中存在的一些焊接难题，笔者根据多年对材料扩散焊接的研究，认为扩散焊接在石油工业中有广泛的应用前景。更多还原

【Abstract】 The development and application of diffusion bonding,its basic principle,characteristic, main technological parameters and necessary equipment are summarized. The problems with bonding in the fields of research and production in the petroleum industry in China are expounded. It is declared that the diffusion bonding has a wide prospect of application in petroleum industry.更多还原