Jia Yuefei, Jia Yandong, Wu Shiwei, Ma Xindi, Wang Gang
Laboratory for Microstructures, Institute of Materials, Shanghai University, Shanghai 200444, China.
Materials (Basel). 2019 Apr 8;12(7):1136. doi: 10.3390/ma12071136.
To explore a novel high strength and low modulus ultralight-weight complex concentrated alloys (ULW-CCAs), a series of light alloys are designed and explored based on some low-density and low modulus elements, such as Al, Li, Mg, Ca, Si, and Y. An AlLiMgSiCa₅Y (at %) CCA with a high specific strength of 327 KPa·m is successfully developed. After adjusting the composition, the AlLiMgCa₁Si₁ CCA with the good compressive plasticity is successfully developed. The AlLiMgCaSi and AlLiMgCaSi CCAs exhibit good plasticity of >45%, and >60%, respectively. These ULW-CCAs show the high specific strength, good ductility, and low Young's modulus, as compared with the previously reported CCAs.
为探索一种新型的高强度、低模量超轻复合浓缩合金（ULW-CCA），基于一些低密度和低模量元素（如Al、Li、Mg、Ca、Si和Y）设计并探索了一系列轻合金。成功开发出了比强度为327 KPa·m的AlLiMgSiCa₅Y（原子百分比）CCA。调整成分后，成功开发出了具有良好压缩塑性的AlLiMgCa₁Si₁ CCA。AlLiMgCaSi和AlLiMgCaSi CCA的塑性分别大于45%和大于60%。与先前报道的CCA相比，这些ULW-CCA具有高比强度、良好的延展性和低杨氏模量。
