Laves相NbCr2室温脆性的研究进展

Research Progress on Brittleness of Laves Phase NbCr2 Compounds at Ambient Temperature

摘要:

对Laves相NbCr2及其室温脆性的研究进展进行了综合评述，着重介绍了Laves相NbCr2室温致脆的机理及提高其韧性的几种方法，包括细化晶粒、合金化和第二相增韧等，并就目前研究进展中的不足以及今后发展方向提出了一些看法。

Abstract:

The research progress on the brittleness of the Laves NbCr2 compounds at ambient temperature is sumarrized. The embrittlement mechanism and several methods of improving toughness of NbCr2 are mainly introduced, such as grain refinement, alloying and soft phase toughening. Finally, the existing problems in these researches are put forward and the future research fields are suggested.