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Maksim Krinitcyn, Alexandr Pervikov, Natalya Svarovskaya, Alexandr Lozhkomoev and Marat Lerner
The paper shows the possibility of synthesizing microparticles coated with nanoparticles by electric explosion of a wire made of Ti-6Al-4V alloy. Particles in which the core is a microparticle and the shell of a nanoparticle can provide effective sliding...
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Jiang Fan, Qinghao Yuan, Gaoxiang Chen, Huming Liao, Bo Li and Guangchen Bai
The Laser Metal Deposition (LMD) involves extremely complex multi-scale multi-physics and multiple thermal cycles issues, making it difficult to accurately predict the resultant mechanical properties of fabricated components from given process parameters...
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Patrizia Bocchetta, Liang-Yu Chen, Juliana Dias Corpa Tardelli, Andréa Cândido dos Reis, Facundo Almeraya-Calderón and Paola Leo
The high specific strength, good corrosion resistance, and great biocompatibility make titanium and its alloys the ideal materials for biomedical metallic implants. Ti-6Al-4V alloy is the most employed in practical biomedical applications because of the ...
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Jian Sun, Lei Wu and Chengqi Sun
The notch (i.e., stress concentration) and defect are important factors influencing the conventional fatigue behavior of metallic materials. What is the influence of notches and defects on the dwell fatigue mechanism and fatigue life? In this paper, the ...
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Quan Chen, Jiajia Zhang, Anguo Huang and Pengyu Wei
Titanium alloy has extensive applications in numerous fields, such as in aerospace, shipbuilding, petrochemical, and bio-medical. However, under the condition of high temperature (above 700 °C), it is difficult to meet the requirements of the performance...
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Jiantao Zhao, Zhenge Zhu, Yacheng Xu, Xueyong Song, Yufan Wang, Hao Peng, Ying Wang, Jinrong Zuo, Xuedao Shu and Anmin Yin
Multi-pulse nanosecond laser ablation of Ti?6Al?4V is a complex process. In this study, the effect of substrate temperature on the nanosecond laser ablation of Ti?6Al?4V was investigated. Morphology, diameter and depth of ablation craters were observed; ...
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Jie Yu, Dongqi Zhang, Hui Li, Changhui Song, Xin Zhou, Shengnan Shen, Guoqing Zhang, Yongqiang Yang and Hongze Wang
This paper presents a laser ultrasonic testing (LUT) method for the inspection of internal hole defects in a Ti-6Al-4V part produced by additive manufacturing (AM). The LUT system achieved a resolution in sub-millimeter scale, demonstrating its significa...
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Camilla Ronchei, Andrea Carpinteri and Sabrina Vantadori
In the present paper, the fatigue life assessment of notched structural components is performed by applying a critical plane-based multiaxial fatigue criterion. Such a criterion is formulated by using the control volume concept related to the strain ener...
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Zoltan Keresztes, David Pammer, Peter Janos Szabo
Pág. 195 - 200
Additive manufacturing (AM) indicated great technological increase in the last years. Primarily development of new methods, new computer softwares and more useable materials are responsible for this progression. AM has numerous advantages that cause the ...
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Athanasios Iliopoulos, Rhys Jones, John Michopoulos, Nam Phan and R. K. Singh Raman
The aerospace industry is now beginning to adopt Additive Manufacturing (AM), both for new aircraft design and to help improve aircraft availability (aircraft sustainment). However, MIL-STD 1530 highlights that to certify airworthiness, the operational l...
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Denzel Bridges, Christopher Rouleau, Zachary Gosser, Cary Smith, Zhili Zhang, Kunlun Hong, Jinquan Cheng, Yoseph Bar-Cohen and Anming Hu
Self-powered brazing of Ti-6Al-4V was performed using Ni/Al reactive multilayer films (RMFs) as self-propagated heat resources. BAlSi-4 was first coated on Ti-6Al-4V by plasma welding, then alternating layers of Ni and Al were successfully deposited on B...
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María Laura Vera, Ángeles Colaccio, Mario Roberto Rosenberger, Carlos Enrique Schvezov and Alicia Esther Ares
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Sabina Cherneva, Vladimir Petrunov, Vladimir Petkov, Vladimir Bogdanov and Silviya Simeonova
The mechanical properties, structure, and morphology of milled and 3D-printed Ti-6Al-4V alloys produced by selective laser melting were investigated in this study. The mechanical properties were investigated by means of nanoindentation, a tensile test, a...
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Younes Belbellaa, Nabil Kribes, Mohamed Athmane Yallese, Habiba Lekmine, Smail Boutabba, Abderrezak Bezazi
Pág. 1 - 11
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Panneerselvam Balaraman, Vijayaraj Stephen Joseph Raj and Veloorillom Madhavan Sreehari
High-speed aerospace applications, such as re-entry vehicles, mostly involve thin-walled structural components with a high strength-to-weight ratio and high-temperature resistant. The present novel work comprises the structural and thermal analysis of re...
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Brian T. Gibson, Bradley S. Richardson, Tayler W. Sundermann and Lonnie J. Love
This work applies to the production of large, complex, metallic preform structures in the aerospace and tool and die industries. In the aerospace industry, this technology has a potential role in the rapid production of custom, near-net shape preforms fo...
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Mingrui Geng, Guangyu He, Zhiping Sun, Jiao Chen, Zhufang Yang and Yuqin Li
TiN/ZrN multilayers can effectively improve the erosion resistance of metals, particularly titanium alloys employed in aero engines. To explore the corrosion damage mechanism of TiN/ZrN nanoscale multilayers (nanolaminate), a novel [TiN/ZrN]100 nanolamin...
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Abdulsalam A. Al-Tamimi
Currently, bone fractures are commonly treated with bone fixation plates that present rigid designs and stiff biometals (e.g., Ti-6Al-4V) that increase the probability of stress shielding happening during bone remodeling by shielding the required stress ...
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Cahya Sutowo,Sugeng Supriadi,Andika Widya Pramono,Bambang Suharno
Pág. 30 - 37
Titanium alloys are widely used for biomaterial applications since they have special characteristics, especially better biocompatibility, superior corrosion behavior and lower modulus of elasticity compared to other conventional biomaterials. The develop...
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Vicente Cortes, Carlos A. Rodriguez Betancourth, Javier A. Ortega and Hasina Huq
One of the main causes of hip prostheses failure is the premature wear of their components. Multi-directional motion or ?cross-shear? motion has been identified as one of the most significant factors affecting the wear rate of UHMWPE in total hip joint r...
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