Steel - Heat treatment
Effects of heat treatment on properties of multi-element low alloy wear-resistant steel
... Abstract: The paper has studied the mechanical properties and heat treatment effects on multi-element low alloy wear-resistant steel (MLAWS) used as a material for the liner of rolling mill torii. ...
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Effect of heat treatment parameters on the properties of low-alloy cast steel with microadditions of vanadium
... cast steel with additions of vanadium and compares them with the results of previous studies made on this cast steel (designated as P1 in Tables 1 and 2) subjected to heat treatment ...
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Intercritical Heat Treatment Temperature Dependence of Mechanical Properties and Corrosion Resistance of Dual Phase Steel
... intercritical heat treatment temperature on the tensile properties, work hardening and corrosion resistance of dual phase ...phase steel with different martensite volume fractions were obtained after ...
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Effect of heat treatment on stainless steel orthodontic wires
... One hundred and sixty 150-mm-long round chromium-nickel stainless steel orthodontic wires (Morelli, Sorocaba, SP, Brazil) with thicknesses of 0.014” (0.35 mm), 0.016” (0.40 mm), 0.018” (0.45 mm) and 0.020” (0.50 ...
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Effect of Aging Heat Treatment H950 and H1000 on Mechanical and Pitting Corrosion Properties of UNS S46500 Stainless Steel
... three heat treated conditions (solution heat treated, H950 and H1000) revealed increased quantity of white phase (Figures 3 to 5) for aged conditions than solution heat treated specimens; and the ...
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The Effect of Heat Treatment on Dynamic Strain Aging Behaviour of AISI H10 Hot Work Tool Steel
... In the present work, optical microscopy and scanning electron microscopy (SEM) equipped by EDS have been used to characterise steel microstructure, precipitate particles and fracture surfaces for the samples ...
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Efeito do revenimento sobre a microestrutura e o desempenho mecânico de um aço multiconstituído com alto teor de Si
... their treatment times and temperatures which the results are shown in ...all heat treatment ...the treatment time was insufficient for the carbon-enriched austenite to reach its stability, ...
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Mat. Res. vol.20 número2
... pipeline steel manufactured by one of the Vallourec steel plants in ...normalizing heat treatment and quenching and tempering heat treatment - to achieve three diferent API ...
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Mat. Res. vol.16 número4
... diagrams of electrochemical impedance are obtained, it is possible to fit them with the help of equivalent electric circuits, EEC, comprising elements like resistors, capacitors and others. The overall electrical ...
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rmat 22 suppl e11939
... stainless steel grade with carbon content lower than ...the heat affected zone (HAZ) of welds of non- stabilized ferritic stainless ...several heat treatments between 900 o C and 1000 o C, with ...
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Mat. Res. vol.13 número1
... post-weld heat treatment on the corrosion behaviour of austenitic stainless steel in a saline environment of ...stainless steel of known chemical composition were prepared and welded using ...
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Prediction and control of geometric distortion and residual stresses in hot rolled and heat treated large rings
... Heat treatment of steel, in its broadest sense, refers to any process involving heating and controled cooling of the solid metal by which the properties of the steel are altered (Bullens and ...
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Determinação das temperaturas de transformação AR1 e AR3 em barras de aço CA-50 laminadas a quente / Determination of the transformation temperatures AR1 and AR3 for hot rolled CA-50 steel rebars
... After the metallographic procedures, it was possible to differ Ferrite grains (α) from Martensitic microstructure (M), in two different temperatures as shown at Figure 2. At the end of the analysis was possible to build ...
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Precise temperature calibration for laser heat treatment
... surface heat treatment for steel or cast iron parts with high-power diode lasers was developed in the late 1990s and has been established in industrial mass production for more than 10 yr (see, ...
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Mat. Res. vol.3 número3
... stainless steel of orthodontic wires may undergo phase transformation induced by plastic deformation and heat treatment for stress ...best heat treatment for recovery of the austenitic ...
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Formation of alumina-aluminide coatings on ferritic-martensitic T91 steel
... could indicate propagation of microcracks in the coating. The observed higher acoustic emission (Fig. 4b) was attributed to the spallation that occurred in the brittle alumina phase (formed during the oxidative ...
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Rev. Esc. Minas vol.66 número2
... some heat treatment conditions to evaluate the effect of the aging on the ductility of both ...duplex steel heat treated at 475 o C for 4 h and 8 did not show any detectable decrease ...
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Mat. Res. vol.6 número4
... two-phase heat transfer ...stainless steel AISI316L powder with particle diam- eter between 1 and 22 µm were used as raw ...stainless steel samples were 1000 °C and 30 min resulting in a porosity of ...
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Influence of Cryogenic Treatment on the Tribological Behaviour of AISI H21 Tool Steel
... The hardness test results infer that the hardness of the cryotreated specimens was increased 3.3 % for 24 h cryosoaking time compared to the conventional heat treated specimens as shown in Figure 6. The hardness ...
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Heat treatment of AlSi9Mg alloy
... Processes of crystallization of alloys have decisive impact on structure of castings, and the same their utility characteristics. Knowledge about those processes constitutes a source of information to development of ...
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