一、前言 随着科学技术的发展和现代战争的需要,火炮战术技术性能指标正在不断地提高。作为火炮的重要构件——身管,工作条件变得更加苛刻和恶劣,身管寿命便成为突出的问题了。 I. Introduction With the development of science and technology and the needs of modern warfare, artillery tactical and technical performance indicators are constantly being improved. As an important component of artillery - barrel, working conditions have become more harsh and harsh, the barrel life has become a prominent issue.