A parametric study on the dynamic behavior of porous bronze at various strain rates

作者：Zhang, Yue; Hu, Jianxing; Lei, Jianyin; Wang, Zhihua^*; Zhao, Longmao

来源：Applied Physics A, 2016, 122(10): 897.

DOI：10.1007/s00339-016-0433-9

• ORIENTED CYLINDRICAL PORES
• PLATEAU STRESS REGION
• ALUMINUM-ALLOY FOAMS
• TAYLOR IMPACT TEST
• COMPRESSIVE BEHAVIOR
• FORMATION MECHANISM
• MEDIUM POROSITIES
• CARBON-STEEL
• DEFORMATION
• COPPERS

An experimental investigation on the porous bronze at various strain rates is firstly carried out in this study to explore the effects of relative density and strain rate in the mechanical behavior. Furthermore, a multi-parameter constitutive model of describing the rate-dependent behavior for porous bronze is developed. The parameters in the constitutive model are density dependent, and the specific forms of these parameters as functions of relative density are obtained. It can be concluded from the test results and constitutive model that the high relative density leads to increase in yield strength and energy absorption capacity of the materials and the strain rate also has positive effects on the yield strength and energy absorption capacity of porous bronze.

• 出版日期2016-10
• 单位太原理工大学