金属多孔材料的力学性能提升试验测试研究

Experimental and testing of mechanical properties improvement of metal porous materials

为探究金属多孔材料的力学性能,进一步了解金属多孔材料的力学行为和孔隙结构之间的关系,为金属多孔材料的应用提供理论基础和实验依据。采用316不锈钢粉末为研究材料,通过轧制成型和静压成型方法制作金属多孔材料,分析不同成型工艺对金属多孔材料力学性能所产生的影响。根据实践数据显示,金属多孔材料力学性能根据其使用情况不同,能利用弯曲性能、拉伸强度、环拉强度等数据进行表示。研究人员通过开展二次烧结,能有效优化多孔材料的烧结颈,提升拉伸强度高出38.7%,剪切强度增强9.4%,有效优化金属多孔材料的力学性能。

In order to explore the mechanical properties of metal porous materials,further understand the relationship between the mechanical behavior and pore structure of metal porous materials,and provide a theoretical basis and experimental basis for the application of metal porous materials,316 stainless steel powder was used as the research material,and metal porous materials were made by rolling and hydrostatic forming methods,and the effects of different forming processes on the mechanical properties of metal porous materials were analyzed.According to the practical data,the mechanical properties of metal porous materials can be expressed by bending properties,tensile strength,hoop tensile strength and other data according to their different applications.By carrying out secondary sintering,researchers can effectively optimize the sintering neck of porous materials,improve the tensile strength by 38.7%and the shear strength by 9.4%,and effectively optimize the mechanical properties of metal porous materials.