Singh, Pankaj Kumar Kumar, Santosh Jain, Pramod Kumar
Published in
Surface Topography: Metrology and Properties
Additive manufacturing has the potential to develop three-dimensional customized components directly in a layered fashion. One of the major challenges is the surface roughness of components fabricated by this process. An experimental investigation into the effect of cryogenic grinding on the surface characteristics of direct metal laser sintered (D...
Assis Resende, Fabrícia Silva, Maria Margareth de Moares Oliveira, Rogerio Silva, Carla Pichon, Luc Alves Radi, Polyana Gonçalves dos Reis, Adriano Aparecida Pereira Reis, Danieli
Published in
Surface Topography: Metrology and Properties
Ti-6Al-4V alloy is ideal for use in the aeronautical and aerospace industries because of its excellent strength/weight ratio and corrosion resistance. However, its applications at high temperatures are vulnerable due to its high affinity for interstitial elements, such as nitrogen and oxygen. The plasma immersion ion implantation (PIII) technique, ...
Zhang, Mingyuan Cai, Taotao Lu, Weiliang Zheng, Shili Zhang, Ying Zhang, Yi
Given the high cost of fabricating the Ti-6Al-4V alloy powder by the traditional hydriding-dehydriding and atomization methods, a novel sintering-deoxygenation process was proposed and studied in this research. With the help of the developed deoxygenation treatment, value-added raw materials such as Ti sponge can be substituted by low-cost and low-...
Zhang, Mingyuan Cai, Taotao Lu, Weiliang Zheng, Shili Zhang, Ying Zhang, Yi
Given the high cost of fabricating the Ti-6Al-4V alloy powder by the traditional hydriding-dehydriding and atomization methods, a novel sintering-deoxygenation process was proposed and studied in this research. With the help of the developed deoxygenation treatment, value-added raw materials such as Ti sponge can be substituted by low-cost and low-...
Kim, Taekyeong Kim, Jung Gi Park, Sangeun Kim, Hyoung Seop Kim, Namhun Ha, Hyunjong Choi, Seung-Kyum Tucker, Conrad Sung, Hyokyung Jung, Im Doo
...
The core challenge in directed energy deposition is to obtain high surface quality through process optimisation, which directly affects the mechanical properties of fabricated parts. However, for expensive materials like Ti-6Al-4V, the cost and time required to optimise process parameters can be excessive in inducing good surface quality. To mitiga...
Chen, H S Du, L H Khan, M Shahzad Zhang, T Mu, Y H Zhang, Y Li, Y
Published in
IOP Conference Series: Materials Science and Engineering
Isothermal hot stamping process, which is composed of stamping and subsequent stress-relaxation steps, is an important technology to form complex thin-walled titanium components in the aerospace industry. It is a key issue to enable the accurate simulations of these two steps simultaneously for the process design and optimization. In this study, a ...
Laine, Steven J Knowles, Kevin M Rugg, David
The microstructure of the surface regions of samples of deep cold rolled and metal shot peened Ti–6Al–4V plate with a [0001] texture almost perpendicular to the processed surface has been examined by electron back scattered diffraction and transmission electron microscopy. In the majority of grains within the first 100–200 μm of the surface, extens...
Barrak, FN Li, S Mohammed, AA Myant, C Jones, JR
OBJECTIVES: To assess whether the dissolution products of S53P4 bioactive glass (BG) affect cellular response of macrophages and clinically relevant peri-implant cell populations to dental implant particles in vitro. Cells chosen were human gingival fibroblasts (HGFs), osteoblasts and bone marrow derived stromal cells (HBMSCs). METHODS: Melt-derive...
Khorasanian, Mehdi Yeganeh, Mahdi Zaree, Seyed Reza Alavi
Published in
Surface Topography: Metrology and Properties
Plasma electrolytic oxidation was carried out on conventional and selective laser melted Ti-6Al-4V alloy in electrolytes with different concentrations of sodium hexametaphosphate. Microstructure and chemical analysis of the surface and cross section of the samples were studied by scanning electron microscopy. X-ray diffraction was carried out to ev...
Li, Yinan Cui, Zhuang Zhang, Hongchang Peng, Zilong Yan, Jiuchun Lv, Binjiang Cui, Ning
Published in
Ultrasonics
While the use of a Zn interlayer has been demonstrated to reduce the temperature required for joining easily oxidized metal alloys in atmospheric environments, the effects of reactions between the titanium alloy workpieces and the Zn interlayer on the mechanical performance of the finished joints are poorly understood. The present work addresses th...
