tailoring titanium microstructures for reduced oxygen
Microstructure and Material Properties of LENS Fabricated
Conventional titanium manufacturing techniques commonly consisting of casting forging and machining tend to have lower production rates and more material is wasted. One of the challenges associated with the AM of titanium products is the high affinity of titanium to oxygen and how it affects the properties. The high chemical reactivity of
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Oct 30 2020 · Mechanistic basis of oxygen sensitivity in titanium. Mechanical behaviors of pure Ti Ti-0.1O and Ti-0.3O alloys at room temperature (RT) ( 300 K) and cryogenic temperature ( 100 K). (A
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Aug 09 2019 · Titanium dioxide has been receiving widespread attentions in solar energy conversion 1 2 3 4 5 6 7.The effectiveness of energy conversion is dedicated to a great extent by the capability of
Get PriceMicrostructure and mechanical properties of titanium
2 Titanium Systems Inc.) was used as the titanium powder source in all of the experiments. Several reports suggest that TiH 2 self-reduces oxygen impurities during thermal decomposition (around 350-C or higher depending on the ambient atmosphere) to form metallic titanium although the mechanisms for this are not well understood 19 20 .
Get PriceMechanistic basis of oxygen sensitivity in titanium
One of the most potent examples of interstitial solute strengthening in metal alloys is the extreme sensitivity of titanium to small amounts of oxygen. Unfortunately these small amounts of oxygen also lead to a markedly decreased ductility which in turn drives the increased cost to purify titanium to avoid this oxygen poisoning effect. Here we report a systematic study on the oxygen
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Dec 31 2019 · Amount 149 600.00 Tailoring Titanium Microstructures for Reduced Oxygen Ingress during High Temperature Applications using a Novel Microstructure-Informatics Approach Source sbir.gov US Small Business Administration (SBA) Award
Get PriceTuning the Oxygen Content of Reduced Graphene Oxide and
The need to recover the graphene properties in terms of electrical and thermal conductivity calls for the application of reduction processes leading to the removal of oxygen atoms from the graphene oxide sheet surface. The recombination of carbon–carbon double bonds causes a partial recovery of the original graphene properties mainly limited by the presence of residual oxygen atoms and
Get Price(PDF) Study of alpha-case depth in Ti-6Al-2Sn-4Zr-2Mo and
The microstructure and tensile properties of a near-α titanium alloy IMI-829 (Ti-6.1 wt pct Al-3.2 wt pct Zr-3.3 wt pct Sn-0.5 wt pct Mo-1 wt pct Nb-0.32 wt pct Si) have been studied after
Get PriceAnodic Film Growth of Titanium Oxide Using the 3-Electrode
Dec 11 2015 · Titanium can be anodized in acidic and basic solutions under potentiostatic or galvanostatic conditions. In view of the variation of titanium anodizing conditions it is possible to tailor the anodic film thickness formed on the surface of titanium. 1 The coloration of the oxide film produced through anodic oxidation is indicative of the thickness. . This relation between color and thickness
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The utilization of electromagnetic (EM) energy neither is affected by the weather nor produces harmful substances. How to utilize and convert EM energy is of practical concern. Herein delaminated titanium carbide (D-Ti3C2Tx) MXene nanosheet (NS) was successfully fabricated by the modified Gogotsi s method. The choice of atomic layer processing allows tailoring of layer distance of Ti3C2Tx
Get Price(PDF) Tailoring microstructure and its effect on wear
Tailoring microstructure and its effect on wear behavior of an Al–7Si alloy reinforced with in situ formed Al3Ti particulates July 2020 Journal of Materials Research and Technology 9(4)
Get PriceEffects of interstitial oxygen on microstructure and
The effect of added oxygen in the range of 1000 to 4000 wt ppm on the microstructures of a Ti-48Al-2Cr-2Nb alloy has been investigated and compared to the microstructures for a high-purity alloy. For specimens cooled from theα phase interstitial oxygen stabilizes the lamellar microstructure with respect toγ grains with higher than equilibrium values for theα 2 volume fraction.
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Biocompatibility. Titanium is considered the most biocompatible metal due to its resistance to corrosion from bodily fluids bio-inertness capacity for osseointegration and high fatigue limit. Titanium s ability to withstand the harsh bodily environment is a result of the protective oxide film that forms naturally in the presence of oxygen.
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Microstructure evolution and texture tailoring of reduced graphene oxide reinforced Zn scaffold. the as-received RGO powder had a reduced oxygen content of 8.70 at. . The XRD spectrum was presented in Fig. 2c. In brief the incorporation of RGO enhanced the ductility by tailoring the microstructure and texture. Alloy treatment could
Get PriceTailoring Titanium Microstructures for Reduced Oxygen
Tailoring Titanium Microstructures for Reduced Oxygen Ingress during High Temperature Applications using a Novel Microstructure-Informatics Approach while improving high temperature mechanical properties is to design or tailor the microstructure in the material surface layer through carefully selected thermo-mechanical surface treatments
Get PriceMechanical Properties of Titanium AlloysDierk Raabe. com
Mechanical Properties of Titanium Alloys. and iron content. The higher the oxygen and iron content the higher the. strength. Commcercially alloyed titanium grades can range from a tensile strength as low as 600 MPa ( such as Ti-3A1-2.5V) to a tensile strength as high as 1250 MPa ( e.g. for the high strength alloy Ti-15Mo-5Zr-3AI).
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Microstructure of two-phase titanium alloys after deformation or heat treatment carried out. at a temperature in the range of β-phase stability depends on cooling rate. High cooling rates. (>18
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Tailoring defect chemistry at interfaces for promoted oxygen The infiltrated cell with an optimized doping ratio of 12 mol Y 2 O 3 exhibited a 10.16 times reduced electrode area specific resistance of 0.034 Ω cm 2 and 2.97 times increased peak power density of 2.23 W cm −2 at 750 °C compared with the non-infiltrated cell maintaining
Get Price(PDF) Design of Beta-Titanium Microstructures for Implant
The present work addresses the design of β-Titanium alloy TNTZ microstructure to be used in biomedical applications as implant materials. The TNTZ alloy has recently started to attract interest
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In this study we further extend the capability to tailor microstructure in situ and produce equiaxed prior-b grains containing lamellar (aþb).The width of a laths is tuneable in a broad range of 0.15e0.8 mm.This achievement allows for the direct fabrication of Ti-6Al-4V by SLM with a
Get PriceMicrostructure and Slip Character in Titanium Alloys
Titanium alloys can exhibit perhaps the widest range of microstructures for a given alloy composition if both thermal and thermomechanical processing are employed to manipulate the microstructure.l s If a range of alloy composition is also considered then the range of microstructures which can becreated in Ti alloys becomes extremely broad.
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Mar 11 2019 · Microstructure defects and mechanical behavior of beta-type titanium porous structures manufactured by electron beam melting and selective laser melting. Acta Mater. 113
Get PriceMicrostructure and Material Properties of LENS Fabricated
Conventional titanium manufacturing techniques commonly consisting of casting forging and machining tend to have lower production rates and more material is wasted. One of the challenges associated with the AM of titanium products is the high affinity of titanium to oxygen and how it affects the properties. The high chemical reactivity of
Get PriceTailoring Tribological Performance of Pure Titanium by a
Jun 11 2020 · A combined surface treatment of laser surface texturing (LST)-thermal oxidation (TO) technique was performed on pure titanium (TA2) matrix to enhance its wear resistance. The dimple-shaped texture was fabricated by using an optical fiber laser processing equipment and the dimple-shaped texture with diameter of 300 μm and density of 5 . The thermal oxidation coating (TO
Get Price(PDF) Tailoring H2O2 generation kinetics with magnesium
By tailoring the microstructures an d electrochemical properties of Mg with secondary elements such as Ca and Zn we succeeded in regulating the degradation rate o f Mg and H 2 O 2 formation
Get PriceTailoring defect chemistry at interfaces for promoted
Tailoring defect chemistry at interfaces for promoted oxygen The infiltrated cell with an optimized doping ratio of 12 mol Y 2 O 3 exhibited a 10.16 times reduced electrode area specific resistance of 0.034 Ω cm 2 and 2.97 times increased peak power density of 2.23 W cm −2 at 750 °C compared with the non-infiltrated cell maintaining
Get PriceMicrostructure and Slip Character in Titanium Alloys
Titanium alloys can exhibit perhaps the widest range of microstructures for a given alloy composition if both thermal and thermomechanical processing are employed to manipulate the microstructure.l s If a range of alloy composition is also considered then the range of microstructures which can becreated in Ti alloys becomes extremely broad.
Get PriceTitanium foamWikipedia
Titanium foams exhibit high specific strength high energy absorption excellent corrosion resistance and biocompatibility.These materials are ideally suited for applications within the aerospace industry. An inherent resistance to corrosion allows the foam to be a desirable candidate for
Get PriceTailoring defect chemistry at interfaces for promoted
Tailoring defect chemistry at interfaces for promoted oxygen The infiltrated cell with an optimized doping ratio of 12 mol Y 2 O 3 exhibited a 10.16 times reduced electrode area specific resistance of 0.034 Ω cm 2 and 2.97 times increased peak power density of 2.23 W cm −2 at 750 °C compared with the non-infiltrated cell maintaining
Get PriceTailoring the photocatalytic reaction rate of a
Titanium dioxide has been extensively used either as a thin film or as a submicron powder in electronic or optical devices as well as in pigments or catalysts. The photocatalytic activity of TiO 2 can be improved by using it as carbon carbon nanotubes fullerenes or graphene composites to enhance the photocatalytic activity as opposed to
Get PriceMechanistic basis of oxygen sensitivity in titanium
One of the most potent examples of interstitial solute strengthening in metal alloys is the extreme sensitivity of titanium to small amounts of oxygen. Unfortunately these small amounts of oxygen also lead to a markedly decreased ductility which in turn drives the increased cost to purify titanium to avoid this oxygen poisoning effect. Here we report a systematic study on the oxygen
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