This study examines a quenched and partitioned steel matrix composite, which was reinforced with 10 vol% Mg-PSZ and processed by Spark Plasma Sintering (SPS). The investigations focused specifically on the effect of solution annealing prior to Quenching and Partitioning (Q&P) treatment on the microstructure and the mechanical properties under compressive loading of the composite. The results revealed that the solution annealing step is necessary to form α′-martensite after quenching during the Q&P treatment, which strengthens the material. Furthermore, a substantial amount of Mg-PSZ was found to have transformed in a stress-induced manner under compressive load if a certain fraction of α′-martensite was present in the initial microstructure. However, the solution annealing slightly intensified the destabilization of the Mg-PSZ.

这项研究研究了一种淬火和分隔的钢基复合材料，该复合材料用10％（体积）的Mg-PSZ增强，并通过火花等离子体烧结（SPS）进行处理。研究特别集中在淬火和分配（Q＆P）处理之前的固溶退火对复合材料压缩载荷下的组织和力学性能的影响。结果表明，在Q＆P处理中淬火后，固溶退火步骤是形成α'-马氏体所必需的，这增强了材料。此外，如果初始微结构中存在一定比例的α'-马氏体，则发现大量Mg-PSZ在压缩载荷下以应力诱导的方式转变。然而，固溶退火稍微加剧了Mg-PSZ的去稳定作用。