微波烧结钨合金挤压棒材的微观结构及动态力学性能研究

Microstructure and Dynamic Mechanical Properties of Extruded Tungsten Alloy Rods by Microwave Sintering

摘要:

采用分离式Hopkinson动态压缩装置对微波烧结93W-4.9Ni-2.1Fe合金棒材切割试样进行了动态力学性能研究，采用扫描电镜、光学电镜和纳米压痕硬度仪分别对合金试样微观组织和显微硬度进行了表征和测试。结果表明：微波烧结试样在受到冲击压缩时，钨晶粒与粘结相都发生均匀变形；

Abstract:

The dynamic mechanical properties of 93W-4.9Ni-2.1Fe alloy rod by microwave sintering were investigated under dynamic compression using Split Hopkinson Pressure Bar. The microstructure and micro-hardness of the samples after dynamic compression were analy