爆炸焊接和金属复合材料

简述了金属爆炸焊接的过程和它的金属物理学本质。总结了它的特点和应用,介绍了用爆炸焊接法生产的金属复合材料的品种和分类,由于此项技术可观的经济价值,将会在我国具有广阔的应用前景。     

爆炸焊接和其他爆炸加工工艺在核工程中的应用

综述爆炸焊接技术在核工程的异种金属焊接和金属复合材料生产方面的应用，还介绍了其他爆炸加工新技术在核工程中的应用。     

爆炸焊接和金属复合材料

本文简述了金属爆炸焊接的过程及其金属物理学本质，综述了金属爆炸复合材料的一般情况、分类和现在已收集到的双金属和多金属的品种，展望了爆炸焊接和用此新工艺和新技术生产的金属复合材料的发展前景。     

爆炸焊接与金属材料的保护

用爆炸焊接技术生产的许多带有耐蚀复层的金属复合材料，能够卓有成效地解决生产和科学技术中大量的金属材料的保护问题。以大量实例综述了爆炸焊接和爆炸复合材料在金属材料保护中的应用。     

爆炸复合材料的压力加工

本文以爆炸复合板的轧制为例，综述了金属爆炸复合材料压力加工的特点及其工艺，组织，性能和应用。指出、爆炸焊接和压力加工的联合，是生产各种形状，尺寸，性能和用途的金属复合材料的一条新的和重要的途径。     

铜-钛爆炸复合板的轧制

本文叙述铜-钛复合板的爆炸焊接和后续轧制工艺、它的组织和性能,简述了这种复合材料可能应用的领域,指出了爆炸焊接和轧制等常规压力加工工艺的联合是生产各种各样金属复合材料的一个有效途径。     

铜—硬铝（Ly2M）复合板的爆炸焊接

本文研究了铜－硬铝（Ｌｙ２Ｍ）复合板爆炸焊接的工艺、组织和性能，介绍了这种复合材料可能的应用，简单地探讨了爆炸焊接的金属物理学原理。     

爆炸焊接金属复合材料中的“飞线”

本文探讨了爆炸焊接金属复合材料中“飞线”(绝热剪切线)产生的原因、条件、性质和影响,以及减少和消除它的措施和办法。指出,这种“飞线”是爆炸复合材料中发生的许多物理和化学变化之一。它的出现主要与金属的 A_K 值的大小和爆炸载荷的强弱密切相关。本质上,“飞线”是金属材料在爆炸载荷下发生的塑性变形的一种特球形式,这种塑性变形线还是一种裂纹源。“飞线”的存在对爆炸复合材料的成品率、后续加工和使用会产生许多不利的影响。     

金属爆炸复合材料的压力加工

以爆炸复合板的轧制为例,综述了金属爆炸复合材料压力加工的特点及其工艺、组织、性能和应用,指出爆炸焊接和传统的压力加工工艺的结合是生产不同品种、形状、尺寸、性能和用途的金属复合材料及产品的一条新的重要途径,且能够获得较大的经济、技术和社会效益     

对称碰撞爆炸焊接实验及其实际应用

介绍了对称碰撞爆炸焊接的实验方法，总结了它的实际应用。指出，这种爆炸焊接的工艺和技术，不仅在研究爆炸复合材料内部的物理和化学现象中有重要的理论价值，而且在生产大厚复合板坯方面更有优势。     

层状金属复合板的研究和生产现状

介绍了有关层状金属复合板的研究和生产现状。爆炸焊接、轧制、爆炸 轧制复合法是目前3种主要的层状金属复合板的生产方法。其中，爆炸复合法在生产中应用最为广泛，异步轧制是一种具有很大发展潜力的轧制复合工艺，对于生产薄的复合板带材爆炸 轧制复合法具有明显的优势。     

爆炸焊接纤维增强复合材料

综述了用金属纤维增强金属基体的纤维增强复合材料的特性、制造这类材料的多种方法以及爆炸焊接技术在此方面的应用及其特征。     

Effect of Welding Processes on Tensile and Impact Properties, Hardness and Microstructure of AISI 409M Ferritic Stainless Joints Fabricated by Duplex Stainless Steel Filler Metal

The effect of welding processes such as shielded metal arc welding, gas metal arc welding and gas tungsten arc welding on tensile and impact properties of the ferritic stainless steel conforming to AISI 409M grade is studied. Rolled plates of 4 mm thickness were used as the base material for preparing single pass butt welded joints. Tensile and impact properties, microhardness, microstructure and fracture surface morphology of the welded joints have been evaluated and the results are compared. From this investigatio.n, it is found that gas tungsten arc welded joints of ferritic stainless steel have superior tensile and impact properties compared with shielded metal are and gas metal arc welded joints and this is mainly due to the presence of finer grains in fusion zone and heat affected zone.     

Effect of welding processes on tensile, impact, hardness and microstructure of AISI 409M ferritic stainless joints fabricated using duplex stainless steel filler metal

 The present investigation is aimed at to study the effect of welding processes such as shielded metal arc welding, gas metal arc welding and gas tungsten arc welding on tensile and impact properties of the ferritic stainless steel conforming to AISI 409M grade. Rolled plates of 4 mm thickness were used as the base material for preparing single pass butt welded joints. Tensile and impact properties, micro hardness, microstructure and fracture surface morphology of the welded joints have been evaluated and the results are compared. From this investigation, it is found that gas tungsten arc welded joints of ferritic stainless steel showed superior tensile and impact properties compared with shielded metal arc and gas metal arc welded joints and this is mainly due to the presence of finer grains in fusion zone and heat affected zone.     

Physical foundations and fields of practical application of explosive welding of metals

Main kinematic and energy-related aspects of the formation of two-layer and multilayer joints upon explosive welding of metals are considered; the principal characteristic regions of this process are shown; the critical energy boundaries depending on the Astrov criterion have been established. The kinematics of plastic flow of metal in the heat-affected zone upon explosive welding under various regimes of collision has been studied; the energy balance in the system of collided plates has been analyzed. A new parameter for characterizing the process of explosive welding has been suggested, namely, the magnitude of a deforming pressure momentum. A mathematical model that describes the process of the acceleration and interaction of metallic plates in a multilayer packet upon welding with a simultaneous cladding scheme is presented. The main fields of practical application of layered composite materials produced by explosive welding are shown.     

基于塑性异化比值的金属板冲压加工性能研究

目的:研究塑性异化比值与金属板冲压加工性能之间的关系。方法:选取某金属板作为实验试样,分别在温度为350℃、400℃、430℃和450℃以及应变速率为10^-4/s、10^-3/s、10^-2/s的条件下,改变金属板试样的塑性异化比值,并计算试样冲压应变大小,比较塑性异化比值与冲压应变之间的关系。结果:当金属板塑性异化比值超出一定范围时,试样冲压应变为零,金属板出现断裂。结论:在对金属板生产加工过程中,应保证金属板的塑性异化比值控制在适当范围内,并采用爆炸焊接方法制备金属板,从而避免金属板断裂,保证金属板生产加工的质量。