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Showing 1 to 20 of 41 for “"Microstructure and properties"”.
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Transformations in TRIP-assisted Steels: Microstructure and Properties
… size of the martensite plates. The mechanical properties of these steels are due to the transformation of retained austenite into martensite during deformation and hence appear to be dominated by the volume fraction and carbon content of retained austenite. These parameters have been related to …
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Design of Lightweight Magnesium Alloys: Processing, Microstructure and Properties
… structural metal. It is 78% lighter than steel and 35% lighter than aluminum. Its high strength to weight ratio makes it an excellent material for applications in automotive, aerospace, and structural applications. It also possesses an elastic modulus and density comparable to human bone, which …
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The microstructure and properties of hipped powder Ti alloys
… such as HIPping temperature, HIPping cycle and powder particle size, on the microstructure and mechanical properties of HIPped samples of two Ti alloys have been assessed. Powders of the most commonly used (α + β) alloy, Ti-6Al-4V and one specific beta alloy, Ti-25V-15Cr-2Al-0.2C wt% (burn …
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Preparation, microstructure and properties of silicon carbide-dysprosia composites
… were fabricated by hot pressing and hot isostatic pressing. Dy$\sb2$O$\sb3$, one of the lanthanide sesquioxides (or rare-earth oxides), undergoes a displacive (monoclinic to cubic) phase transformation with volume expansion during cooling from high temperatures …
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Design, microstructure and properties of metastable beta-type biomedical titanium alloys
… alloy, stainless steel, Ti-6Al-4V and commercially pure titanium have all been shown to demonstrate mechanical incompatibility, poor osseointegration and/or cause cytotoxic effects on the human body after some years of application, leading to revision surgery in most cases. …
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Selective laser melting of Ti-35NB alloy: Processing, microstructure and properties
… material system needs to lower the environmental and economic impact of production processes and adopt new ways of synthesizing and re-using materials. Even though the current conventional manufacturing processes, such as powder metallurgy, casting, forging, and rolling, have already shown their …
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The microstructure and properties of unbalanced magnetron sputtered CrN[x] coatings.
… understood, but it has technical limitations and is under high political pressure because of the environmental pollution by hexavalent chromium. The physical vapour deposition (PVD) technique is an alternative method to produce high quality coatings. PVD is an almost pollution free technique, …
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The microstructure and properties of powder HIPped nickel-based superalloy CM247LC
… of Hot Isostatic Pressing (HIPping) conditions and post-HIP heat treatments has been investigated as a preliminary step in the assessment of net shape HIPping as a possible process-route for component production. A HIPping pressure of 150MPa was used at temperatures of 1100°C, 1200°C, 1260°C and …
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Processing, microstructure, and properties of carbon nanotube and silicon carbide composites
… the spark plasma sintering of silicon carbide and silicon carbide with multi-walled carbon nanotubes. The work was completed to investigate the processing, microstructure, and properties of such materials. Various ceramic engineering techniques aided this investigation including powder …
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Effects of processing on microstructure and properties of Ti-Ta Alloys
… degree of biocompatibility, favorable mechanical properties, high corrosion resistance and the possibility of exhibiting shape memory behavior 5' 6, 9. However, this system faces difficulties in processing due to the slow diffusion of Ta, with a melting point of 3269 K, and the sensitivity of …
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Microstructure and properties of transition metal nitride and medium entropy alloy coatings
… industrial applications, such as cutting tools and biomedical devices. Magnetron sputtering, as one important deposition method, has been widely applied to a wide range of coating types. In this thesis, the microstructure and mechanical properties of a number of different families of coatings, …
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The effect of oxide impurities on the microstructure and properties of Y-T.Z.P.
… of three common oxide impurities, TiO2, A12O3, and SiO2/ on the properties and behaviour of Y-T.Z.P. These impurities are present in varying amounts in almost all commercially available Y-T.Z.P. materials, and substantial costs are incurred in removing them in the purest systems.However, the …
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Microstructure and properties of laser beam and gas tungsten arc welded zirconium-2.5niobium
… components is largely dependent on the microstructure and mechanical properties achieved through a specific thermo-mechanical process applied during manufacturing. Welding causes microstructural changes which can result in unfavorable changes of properties. The aim of the current study …
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Effects of heat input and dilution on the microstructure and properties of microalloyed steel weld metal, The
Includes bibliographical references.
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Heat treatment and additive effects on microstructure and properties of tetragonal-(2-3 mol%) yttria-stabilized-zirconia
… garnet (3Y$\sb2$O$\sb3$ $\cdot$ Al$\sb2$O$\sb3$) and Zr) in microstructural development, phase stability and mechanical behavior of predominantly-tetragonal (2-3 mol%) yttria-stabilized-zirconia (YSZ) was investigated. Preliminary studies on compositional effects were studied in 2-3 mol% YSZ …
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Effect of filler wire and flux compositions on the microstructure and properties of microalloyed steel weld metal, The
Includes bibliographical references.
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An Investigation of the Microstructure and Properties of a Cryogenically Mechanically Alloyed Polycarbonate-Poly(Ether Ether Ketone) System
This work investigates processing-microstructure-property relationships of a model cryogenically mechanically alloyed polymer-polymer system: polycarbonate (PC) and poly (ether ether ketone) (PEEK). Mechanically milled and alloyed powders were characterized using a variety of techniques including …
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Microstructure and Dielectric Behavior for Pure and Bismuth Doped Strontium-Titanate Polycrystalline Ceramics
… ceramics industry where variability in properties has been attributed to the high vapor pressure of bismuth. The purpose of this investigation was to study the development of microstructure and properties obtained for ceramics prepared under controlled but varying processing conditions.
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