Modeling hardness of polycrystalline materials and bulk metallic glasses

By Xing-Qiu Chen, H. Niu, Dianzhong Li, Yiyi Li. 2011

1,303 citations recorded by the source corpus.

Subfields: Geophysics, Materials Chemistry, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/b4100b8525fc02df970b83a0cf7aa2db83c7614c

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In Materials Chemistry

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Citations in the corpus

CaXH3 (X = Mn, Fe, Co) perovskite‐type hydrides for hydrogen storage applications (2019, methodology): “In addition to these polycrystalline properties of these compounds, the Vicker's hardness (HV) have been determined by analyzing B and G values as HV = 2(G (3)/B(2)) − 3.(57) Table 3 presents calculated values and the highest hardness (13.”
High-entropy high-hardness metal carbides discovered by entropy descriptors (2018, methodology): “ weighted according to fractional composition in the sample). Three dierent models are used for predicting the Vickers hardness based on the elastic moduli: Chen et al. (H V = 2(k2G)0:585 3; k= G=B) [49], Teter (H V = 0:151G) [50], and Tian et al. (H V = 0:92k1:137G0:708; k= G=B) [51]. Note, however”
Microscopic theory of hardness and design of novel superhard crystals (2012, methodology): “While hardness characterizes a permanent plastic deformation, it is now accepted that hardness does not depend monotonously on bulk modulus or shear modulus according to the simple linear correlation, considering that these elastic moduli correspond to reversible elastic deformation [30].”
Physical properties of new MAX phase borides M2SB (M = Zr, Hf and Nb) in comparison with conventional MAX phase carbides M2SC (M = Zr, Hf and Nb): Comprehensive insights (2020, positive): “astic moduli are used to calculate the hardness parameters (H micro and H macro ) of studied borides/carbides by the following relations: ��𝑖�𝑟� = (1−2𝜈)� 6(1+𝜈) [54] and ��𝑎�𝑟� = 2[ � � )2� 0.585 −3 [59]. Although, these hardness parameters (H micro and H macro ) cannot predict the exact hard”