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Showing 1 to 20 of 59 for “"Titanium alloy"”.
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Titanium alloy powder production from waste metal
Titanium and its alloys are among the most important advanced materials in use today due to attractive properties such as high strength to weight ratio and excellent corrosion resistance. However, the cost of titanium production is high, mostly due to the high cost of extraction. This has led to …
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Solid-state joining of titanium alloy to stainless steel
Titanium has a wide variety of applications in a multitude of industries but can be costly in large quantities. To reduce the amount of titanium alloys needed and therefore the cost of materials, some suggest designing parts made with both titanium alloys and stainless steels. Current joining …
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The effect of oxygen on the mechanical properties of a B.C.C. titanium alloy.
Massachusetts Institute of Technology. Dept. of Metallurgy and Materials Science. Thesis. 1972. Sc.D.
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Evaluation of the atomization-based cutting fluid spray system in milling of titanium alloy
Titanium alloys are considered difficult to machine materials because of poor thermal conductivity and long elongation to break ratio, which makes it difficult to dissipate heat generated during cutting process. Therefore, effective cooling and lubrication effects are vital during machining of …
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Performance of laser assisted micro-milling (laμmill) of titanium alloy using micro ball end mill
… ball end mill in laser assisted micro milling of titanium alloy Ti6Al4V. Finite element method (FEM) simulation of preheating was used to determine the machining parameters and the cutting tool to laser beam distance. The performance of laser assisted micro milling using micro ball end mill was …
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Composite low temperate hydrogen storage material on the basis of iron-titanium alloy ; synthesis and structure
… on a well known “low temperature” intermetallic alloy (Ti/Fe) as the core. In the course of achieving this objective, the structural, thermal, chemisorptive and physisorptive attributes of this material on a nanoscale have been evaluated considering that nano-structuring is a potentially …
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Transient Liquid Phase Diffusion Bonding of Magnesium Alloy (Mg-AZ31) to Titanium Alloy (Ti-6Al-4V)
The magnesium alloy Mg-AZ31 and titanium alloy Ti-6Al-4V have physical characteristics and mechanical properties that makes it attractive for a wide range of engineering applications in the aerospace and automotive industries. However, the differences in melting temperature and coefficient of …
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Characterization of cyclic plasticity type wear mechanism for titanium alloy, TI-6AL-4V on reciprocating sliding wear test
… mechanism on reciprocating sliding wear test for Titanium alloy, Ti-6Al-4V. The reciprocating sliding wear test set up by pin-on-flat configuration made from Ti-6Al-4V. Dimension of flat bar used Contact material is 100 x 25 x 8 mm. Meanwhile for the contact pin, two different diameter cylinders …
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The effects of hydrogen on the deformation and fracture behavior of the metastable beta-titanium alloy, TIMETAL(RTM) 21S
The metastable $\beta$-titanium alloy, TIMETAL$\sp\circler$ 21S, exhibits a sharp ductile-to-brittle transition when the hydrogen concentration is increased slightly above H/M $=$ 0.22. To understand this sharp transition, a series of experiments was devised to test for the possible hydrogen …
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A Comparative Study on Micro Electro-Discharge Machining of Titanium Alloy (TI-6AL-4V) and Shape Memory Alloy (NI-TI)
… high strength and hardto- cut materials such as Titanium alloys, Shape Memory Alloys (SMA) and Super Alloys. Electrical Discharge Machining (EDM) is one of the non-traditional technologies that remove materials from the workpiece through a series of electrical sparks that occur between the …
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In-vitro characterization of boronized titanium alloy by means of corrosion and electrochemical impedance spectroscopy methods in simulated body fluids
Titanium and titanium alloys are becoming the backbone of medical implants and prosthetics. Titanium alloys are used because of its high biocompatibility and similarity to bone. However, titanium and titanium alloys have a low wear resistance. Titanium and titanium alloys are susceptible to …
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Delayed Failure Characteristics of Plasma-Sprayed Aluminum Oxide Applied to Stainless Steel and Titanium Alloy Substrates in Various Physiological Media
Aluminum oxide coatings were applied to the ends of cylindrical metal samples of both 316L stainless steel and Ti-6Al-4V ELI using a plasma spraying process. These samples were fabricated into 4-point bend specimens which were then used to determine the strength. The characteristics of …
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Characterization of the fatigue behavior of additively manufactured β-metastable titanium alloy Ti-5Al-5V-5Mo-3Cr on different length scales
The β-metastable titanium alloy Ti-5Al-5V-5Mo-3Cr (Ti-5553) has recently found growing interest as medical implant material due to its advantageous mechanical properties when compared to the up-to-date standard alloys. Besides biocompatibility, implant materials need to exhibit sufficient fatigue …
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Fracture Toughness and Fatigue Crack Propagation Testing and Evaluation of Additive Manufactured Titanium Alloy Metals at Different Orientations by Electron Beam Melting
Certain Naval applications use titanium based components which offer outstanding structural benefit. While risk to mission capability can be reduced by having a wide assortment of spare parts available, one small material item can place a unit in a mission hold status. The next step for the U.S. …
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An investigation of the feasibility of composite turbine compressor blades
… polymer (CFRP) composite to replace the titanium alloy (Ti-6Al-4V) for the manufacture of turbine compressor blades. These blades are used in the first compression stage of a gas turbine and suffer from high stresses at the roots and rotor discs induced by the high centrifugal forces …
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An Investigation on the Corrosion Susceptibilities of Multi-Alloy Total Hip Replacements.
… new prosthetic devices with dissimilar metals or alloys in direct physical contact is now being investigated. Previously, the use of dissimilar alloys for the construction of surgical implants has been strongly discouraged because of the opinion that the combinations of alloys was likely to …
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Strategic raw material inventory optimization
The production of aerospace grade titanium alloys is concentrated in a relatively small number of producers. The market for these materials has always been cyclical in nature. During periods of high demand, metal producers claim to operate near full capacity utilization. During periods of reduced …
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Development of Precision 3D-Printed Medical Implants
… bacteria S. aureus adhesion on a newly developed titanium alloy Ti-12Nb-12Zr-12Sn alloy (Ti12), Ti-6Al-4V alloy (Ti64), and commercially pure titanium (CPT) were investigated. Materials exhibited biocompatibility and demonstrated distinct cell morphological differences with osteoblast and …
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Antimicrobial Properties of Graphite and Coal-Derived Graphene Oxides as an Advanced Coating for Titanium Implants
… and characterization of a robust coating for titanium alloy implants to promote bone regeneration while inhibiting microbial biofilm adhesion to the implant surface. The novelty of this study is the use of proprietary coal-derived graphene oxide (c-GO) in a biomedical application. c-GO has …
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The improvement of the wear performance of the Ti-64 alloy using the oxygen boost diffusion treatment
… greatly improve the tribological properties of titanium components. This report deals with the oxygen diffusion treatment of Ti-6Al-4V (Ti-64), the most commonly used titanium alloy, to rank various treatment conditions based on their ability to increase the surface hardness and wear resistance. …
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