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Effect of V on Mechanical Properties and Electronic Structure of β-Type Titanium Alloys
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Junbo Yu1, Yonggang Zhang1, Yi Dai1, Zhimin Hou1, Bingyao Yan2, Shuyong Jiang3
Rare Metal Materials and Engineering | 2026, 55(7) : 1709 - 1715
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Rare Metal Materials and Engineering | 2026, 55(7): 1709-1715
Effect of V on Mechanical Properties and Electronic Structure of β-Type Titanium Alloys
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Junbo Yu1, Yonggang Zhang1, Yi Dai1, Zhimin Hou1, Bingyao Yan2, Shuyong Jiang3
Affiliations
  • 1.Western Titanium Technologies Co., Ltd, Xi'an 710201, China
  • 2.Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
  • 3.College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
Published: 2026-07-10 doi: 10.12442/j.issn.1002-185X.20250075
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Taking β-Ti as the research object, the first-principles calculations based on density functional theory were performed to construct a model of Ti-V system with different V contents by substituting Ti atoms with V atoms and to calculate the mechanical properties and electronic structures. The calculation results indicate that the addition of V atoms decreases the elastic constant and elastic modulus of β-Ti and improves the plasticity and toughness of the system. This is because during the formation of the Ti-V system, both atoms lose electrons. Therefore, the electronic mobility of the system increases, the bonding strength of the metallic bond is enhanced, and the plasticity and toughness of the system are improved. In addition, the 3d-orbitals of Ti and V atoms are mainly involved in bonding, which is the key reason for the improvement of plasticity and toughness. Meanwhile, there are also some electrons with directivity gathered around the two atoms, which indicates that there is also a covalent bond within the system. The existence of covalent bond is the key to enhancing the mechanical stability of the system.

β-type titanium alloys  /  first-principles calculation  /  elastic constant  /  electronic structure
Junbo Yu, Yonggang Zhang, Yi Dai, Zhimin Hou, Bingyao Yan, Shuyong Jiang. Effect of V on Mechanical Properties and Electronic Structure of β-Type Titanium Alloys[J]. Rare Metal Materials and Engineering, 2026 , 55 (7) : 1709 -1715 . DOI: 10.12442/j.issn.1002-185X.20250075
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Year 2026 volume 55 Issue 7
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Article Info
doi: 10.12442/j.issn.1002-185X.20250075
  • Receive Date：2025-07-14
  • Online Date：2026-07-29
  • Published：2026-07-10
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  • Received：2025-07-14
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Affiliations
    1.Western Titanium Technologies Co., Ltd, Xi'an 710201, China
    2.Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China
    3.College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Corresponding:

Yu Junbo, Ph. D., Engineer, Western Titanium Technologies Co., Ltd, Xi'an 710201, P. R. China, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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