Retained austenite
Mat. Res. vol.8 número4
... 0.85 Mn, 0.85 Cr, 0.22 Mo – wt. (%)); a non-traditional bainitic direct-cooled steel that contains 14.5 pct. retained austenite (NTB: 0.38 C, 1.21 Mn, 0.73 Si, 0.22 Mo, 0.099 V – wt. (%)); and an as ...
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Matéria (Rio J.) vol.14 número3
... Figure 7 shows the saturation magnetization behaviour versus tempering temperature as a function of soaking temperature. It can be observed from this figure, that, the increase of soaking temperature promotes a decrease ...
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Mat. Res. vol.20 número4
... from retained austenite and martensite by a reconstructive mechanism, which may justify the decrease in hardness after this treatment as shown in Table ...
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EBSD ANALYSIS OF PHASE COMPOSITIONS OF TRIP STEEL ON VARIOUS STRAIN LEVELS
... on retained austenite (RA) content and its development under imposed strain [7, 9], omitting to discern between bainite, ferrite and martensite, or to proper phase identification without imposing any strain ...
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Influence of temperature and time of austempering treatment on mechanical properties of SAE 9254 commercial steel art hfgabreu
... This work describes the steps in the study and development of the high content of C, Si, and Cr in commercial steel with a nanostructured matrix of martensite, bainite and retained austenite. Specimens of ...
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INFLUENCE OF ABNORMAL AUSTENITE GRAIN GRAIN GROWTH IN QUENCHED ABNT 5135 STEEL
... retained austenite. This paper evaluates the influence of austenite grain size on the volume fraction of retained austenite measured by metallographic analyses and X-ray ...the ...
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Effect of and texture on the charpy impact test for maraging 300 steel art hfgabreu
... 20% retained austenite was found in this condition without transforming into martensite during water ...and austenite phase dispersed. The enrichment austenite phase of Ni, carbon and other ...
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Estudo da redução do percentual de austenita retida pelos processos subzero e criogênico / Study of the austenite retained percentage by subzero and cryogenic process
... of retained austenite, the processes, of diffusion in controlled atmosphere, shot peening, subzero, cryogenics and tempering can be ...of retained austenite, causing an improvement in the ...
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The influence of the arc plasma treatment on the structure and microhardness C120U carbon tool steel
... Increase of the current arc plasma from 60 to 110 A lead to the decrease of cooling rate. The smaller cooling rate was reason to create of structures about smaller mikrohardness (retained austenite, appear ...
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art hfgabreu of Widmanst tten austenite in duplex stainless steel weld metal
... from austenite is diffuse enough to make such distinc- tions ...the austenite contains dislocations due to the mechanism of transformation and due to plasticity induced by residual stress during the cooling ...
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Nanomechanical properties of bone around cement-retained abutment implants. A minipig study
... After 8 weeks of healing, implant placement surgeries were performed. Horizontal incisions were made on the crest of the ridges, from the distal of the canines to the mesial of the first molars and after the ...
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Deformação plástica severa por ECAP de ligas com memória de forma
... Nas ligas de memória de forma de níquel titânio, que são quase equiatómicas, trata-se da capacidade da transformação da fase martensítica (B19’ e/ou R) em austenite (B2) ser reversível.[r] ...
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Florfenicol and sodium cloprostenol for the treatment of retained placenta in dairy cows.
... Adicionalmente, observou-se que a associação de antibiótico e cloprostenol acelera a involução uterina, reduz a ocorrência de infecções, contribuindo para um melhor desem[r] ...
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Caracterização e estudo do amaciamento e endurecimento de ferros fundidos brancos de alto crómio
... de austenite com uma pequena quantidade de carbonetos terciários embebidos nas zonas mais claras da matriz e perlite nas zonas mais ...da austenite em perlite de forma a obter-se um amaciamento ...
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Fractal gait patterns are retained after entrainment to a fractal stimulus.
... are retained or which factors may influence stronger entrainment or ...were retained in the post- synchronization ...are retained for up to 15 minutes after entrainment and showed that a discrete ...
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Aspects Related to Productivity for Four Generations of a Lutzomyia longipalpis Laboratory Colony
... of retained eggs per female was 62 for P to 78 in the F2 (Table ...of retained eggs per generation varied from 950 (fourth generation-F4) to 2,059 (F2, Table ...plus retained) per generation varied ...
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Rev. Esc. Minas vol.66 número2
... the austenite or expand the gamma phase ...effective austenite stabilizers but the optimum content of these interstitial elements is determined by the speciic microalloying design to achieve enhanced ...
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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
... of Austenite non-transformed at aim temperature, because when the steel is austenitized the cooling rate of the quenching heat treatment unable the formation of other microstructures types as Ferrite, Pearlite and ...
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The effect of the austenite grain refinement on the tensile and impact properties of cast Hadfield steel
... Figures 13-a and 13-b show the microstructure of the transversal cross-sections adjacent to the fracture surfaces of the tensile specimens. The presence of mechanical twins was observed in the refined and non-refined ...
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