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Effect of Mo Content on Microstructure and Tribological Behavior of Ti42.5Zr42.5Nb10Ta5High-Entropy Alloy AITranslate

QIN Jia-qing; JIN Feng-shuo; HAN Juan; LEI Nai-yi; YI Yan-liang
Institute of Advance Wear&Corrosion Resistant and Functional Materials,Jinan University;Institute of Advance Wear&Corrosion Resistant and Functional Materials,Jinan University;Institute of Advance Wear&Corrosion Resistant and Functional Materials,Jinan University;Institute of Advance Wear&Corrosion Resistant and Functional Materials,Jinan University;Institute of Advance Wear&Corrosion Resistant and Functional Materials,Jinan University
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

The influence of Mo content on the microstructure,mechanical properties,and wear resistance of(Ti42.5Zr42.5Nb10Ta5)10-xMox(x=0,3,5,7)high-entropy alloys(HEAs)were systematically investigated.The results show that there is a single BCC phase in the HEAs.With the increase of Mo molar fraction from 0 to 7%,the lattice distortion of HEAs increases,the nanohardness increases from(2.33±0.09)GPa to(4.93±0.09)GPa,the Rockwell hardness increases from(27.76±0.74)HRC to(40.01±0.82)HRC,the Vickers hardness increases from(247.4±6.2)HV to(350.1±7.4)HV,and the wear rate decreases from 9.85×10-5mm3/(N·m)to 3.5×10-5mm3/(N·m),which decreases by 64.5%.The wear mechanisms of HEAs include abrasive wear,oxidation wear and adhesive wear.With the increase of Mo content,the wear mechanism gradually changes from abrasive wear to adhesive wear and oxidative wear.

KeyWords AITranslate

high-entropy alloy biomedical materials Mo wear mechanism wear resistance hardness
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DOI：

Chinese Library Classification Number:TG146[金属学及工艺—金属材料]

Citation Information:

The influence of Mo content on the microstructure,mechanical properties,and wear resistance of(Ti42.5Zr42.5Nb10Ta5)10-xMox(x=0,3,5,7)high-entropy alloys(HEAs)were systematically investigated.The results show that there is a single BCC phase in the HEAs.With the increase of Mo molar fraction from 0 to 7%,the lattice distortion of HEAs increases,the nanohardness increases from(2.33±0.09)GPa to(4.93±0.09)GPa,the Rockwell hardness increases from(27.76±0.74)HRC to(40.01±0.82)HRC,the Vickers hardness increases from(247.4±6.2)HV to(350.1±7.4)HV,and the wear rate decreases from 9.85×10-5mm3/(N·m)to 3.5×10-5mm3/(N·m),which decreases by 64.5%.The wear mechanisms of HEAs include abrasive wear,oxidation wear and adhesive wear.With the increase of Mo content,the wear mechanism gradually changes from abrasive wear to adhesive wear and oxidative wear.

quote

GB/T 7714-2015 [1] QIN Jia-qing, JIN Feng-shuo, HAN Juan, et al. Effect of Mo Content on Microstructure and Tribological Behavior of Ti42.5Zr42.5Nb10Ta5High-Entropy Alloy[J]. Rare Metals and Cemented Carbides, 2025(1): 73-80.
MLA [1] QIN Jia-qing, et al., "Effect of Mo Content on Microstructure and Tribological Behavior of Ti42.5Zr42.5Nb10Ta5High-Entropy Alloy." Rare Metals and Cemented Carbides, no. 1, 2025, pp. 73-80.
APA [1] QIN Jia-qing, JIN Feng-shuo, HAN Juan, LEI Nai-yi, & YI Yan-liang. (2025). Effect of Mo Content on Microstructure and Tribological Behavior of Ti42.5Zr42.5Nb10Ta5High-Entropy Alloy. Rare Metals and Cemented Carbides(1), 73-80.
IEEE [1] QIN Jia-qing, JIN Feng-shuo, HAN Juan, LEI Nai-yi, and YI Yan-liang, "Effect of Mo Content on Microstructure and Tribological Behavior of Ti42.5Zr42.5Nb10Ta5High-Entropy Alloy," Rare Metals and Cemented Carbides, no. 1, pp. 73-80, 2025. keywords: {high-entropy alloy;biomedical materials;Mo;wear mechanism;wear resistance;hardness}