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microhardness

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Published: 01 January 1990
Fig. 12 Variation in microhardness with temperature. Microhardness is based on a 1 kg load, and all alloys are of medium WC grain size. A, 97WC-3Co alloy; B, 94WC-6Co; C, 80WC-12(Ti,Ta,Nb)C-8Co; D, 86WC-2TaC-12Co More
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Published: 01 January 1989
Fig. 12 Variation in microhardness with temperature. Microhardness is based on a 1 kg load, and all alloys are of medium WC grain size. A, 97WC-3Co alloy; B, 94WC-6Co; C, 80WC-12(Ti,Ta,Nb)C-8Co; D, 86WC-2TaC-12Co More
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Published: 01 October 2014
Fig. 2 Microhardness profile of 16 mm (0.63 in.) test bar of 8620 steel after gas carburization at 925 °C (1700 °F). Source: Ref 12 More
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Published: 01 October 2014
Fig. 18 Corner and plane surface microhardness profiles from 8620 steel specimen carburized at 930 °C (1700 °F). Source: Ref 48 More
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Published: 01 October 2014
Fig. 15 (a) Microhardness plot and (b) structure of nitrocarburized layer on 16MnCr4 steel. Original magnification: 800× More
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Published: 01 October 2014
Fig. 21 Microhardness plot and structure of (a) a normal compound layer and (b) a porous, thick compound layer More
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Published: 01 October 2014
Fig. 11 Variation in microhardness as a function of aging time and aging temperature due to precipitation strengthening in an experimental copper steel. The microhardness is increasing during nucleation as the number density of the precipitates increases. The microhardness is relatively More
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Published: 01 October 2014
Fig. 13 Comparison of microhardness profiles at pitch line and tooth root for (a) atmosphere-carburized and oil-quenched, (b) vacuum-carburized and oil-quenched, and (c) vacuum-carburized and high-pressure gas-quenched AISI 8620 gears. Source: Ref 18 More
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Published: 30 September 2014
Fig. 6 (a) Representative micrograph of microhardness indentations for M48 tool steel exposed for two hours at 1000 °C (1830 °F) in air, and (b) corresponding microindentation hardness values. Source: Ref 10 . More
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Published: 01 August 2013
Fig. 18 Factors affecting the microhardness profile of a nitrided steel. The hardness of the compound zone is unaffected by alloy content, while the hardness of the diffusion zone is determined by nitride-forming elements (Al, Cr, Mo, Ti, V, Mn). Δ X is influenced by the type More
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Published: 01 August 2013
Fig. 4 Microhardness distribution of the carburized layer More
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Published: 30 September 2015
Fig. 3 Microhardness mapping of a single chip from machining illustrates high hardness along the chipwash surface. The high heat from work and friction can locally work harden the chip and workpiece. Courtesy Gilles L'Esperance, Ecole Polytechnique du Montreal More
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Published: 30 September 2015
Fig. 9 Effect of milling time on microhardness of Nickel 123 powder More
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Published: 01 August 2013
Fig. 16 Results of interlaboratory microhardness traverse gage repeatability and reproducibility study on samples with 1.3 and 3.2 mm (0.05 and 0.125 in.) effective case depth. Courtesy of Caterpillar Inc. More
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Published: 01 August 2013
Fig. 18 Spot weld cross-sectional micrograph and microhardness profile for 1.6 mm (0.06 in.) Q&P 980. HAZ, heat-affected zone More
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Published: 01 August 2013
Fig. 20 Microhardness profile across 1.6 mm (0.06 in.) Q&P 980 laser-welded joint. HAZ, heat-affected zone More
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Published: 01 August 2013
Fig. 22 Microhardness profile across 1.6 mm (0.06 in.) Q&P 980 metal-active-gas-welded joint. HAZ, heat-affected zone More
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Published: 31 October 2011
Fig. 14 Microhardness traverse across the weld, heat-affected zone, and unaffected base materials. (a) Schematic of a weld cross section. (b) Typical cross section More
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Published: 31 October 2011
Fig. 27 Cross section of a DP780 steel weld with indentations from microhardness testing. Source: Ref 23 More
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Published: 31 October 2011
Fig. 28 Microhardness profiles of various material combinations. HSLA, high-strength, low-alloy; DP, dual phase. Source: Ref 14 More