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Vickers hardness

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Published: 30 September 2015
Fig. 2 Relationship between Vickers hardness (HV30) and Rockwell hardness (HRA). Courtesy of Materialprüfungsam (Materials Testing Agency) Dortmund, Germany. More
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Published: 01 December 1998
Fig. 41 Hardness, in terms of the Vickers hardness number, versus depth below the surface for three P/M steels following vacuum carburization at 925 °C (1695 °F). The higher the porosity the deeper the carbon penetration because of permeation through the open pore network. Below approximately More
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Published: 01 January 1986
Fig. 9 Berg-Barrett topographs of a Vickers hardness indentation on MgO cleavage surface. (a) (022) reflection. (b) (202) reflection. Both 45×. Source: Ref 17 More
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Published: 01 June 2016
Fig. 8 Vickers hardness of ZA-8, No. 5, and No. 3 as a unction of aging time at 100 °C (212 °F). (a) 0.76 mm (0.030 in.), (b) 1.52 mm (0.060 in.), and (c) 2.54 mm (0.100 in.). Source: Noranda Technology Center More
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Published: 01 June 2016
Fig. 12 Variation of Vickers hardness with aging time at 170 °C (340 °F) for ZK60 alloy and ZK60/B 4 C p + SiC w composite More
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Published: 01 June 2016
Fig. 48 Effect of isothermal holding temperature on Vickers hardness of 7175 rolled plate. Source: Ref 172 More
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Published: 01 June 2016
Fig. 49 Effect of cooling rate on Vickers hardness of 7175-T6. Source: Ref 172 More
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Published: 01 October 2014
Fig. 16 Vickers hardness (10 kg load) versus tempering time at several tempering temperatures for (a) an alloy with 3.61% C, 3.11% Si, 0.04% Mo and (b) an alloy with 3.64% C, 2.57% Si, 0.49% Mo. Source: Ref 18 More
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Published: 09 June 2014
Fig. 40 Vickers hardness and residual stress profiles. Source: Ref 46 More
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Published: 01 December 2008
Fig. 19 Relation between micro-Vickers hardness of matrix and bending fatigue. Source: Ref 29 More
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Published: 01 June 2016
Fig. 5 C-curves for 99.5% maximum yield strength, Vickers hardness, and electrical conductivity of 7175-T73 plate. IACS, International Annealed Copper Standard. Source: Ref 8 , 9 More
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Published: 01 June 2016
Fig. 24 Effect of isothermal holding temperature on Vickers hardness of 7175 rolled plate. Source: Ref 59 More
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Published: 01 June 2016
Fig. 25 Effect of cooling rate on Vickers hardness of 7175-T6. Source: Ref 59 More
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Published: 01 June 2016
Fig. 7 Dependence of Vickers hardness of an Al-0.6Mg-0.8Si alloy aged at 180 °C (350 °F) for various times (given by artificial aging, or AA, in min) after natural preaging before AA at 20 °C (70 °F). Black dots represent natural aging (NA) without AA. The negative effect of NA on AA More
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Published: 01 January 1990
Fig. 12 Vickers hardness of CoAl, FeAl, and NiAl as a function of aluminum content. Source: Ref 107 More
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Published: 01 January 1989
Fig. 7 Vickers hardness versus temperature. 1 kg load, 10 s indent time. Sialon I and Sialon II are product names of Kennametal Inc. Sialon I is an α′/β′-SiAlYON, and Sialon II is a β′-SiAlYON. Source: Ref 19 More
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Published: 01 January 2000
Fig. 25 Closed-loop servo controlled Vickers hardness testing unit More
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Published: 01 January 2000
Fig. 1 Vickers hardness test. (a) Schematic of the square-based diamond pyramidal indenter used for the Vickers test and an example of the indentation it produces. (b) Vickers indents made in ferrite in a ferritic-martensitic high-carbon version of 430 stainless steel using (left to right) 500 More
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Published: 01 January 2000
Fig. 7 Correlations between Vickers hardness determined with a 10 kgf load and Knoop hardness determined with loads from 10-500 gf. Source: Ref 1 More
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Published: 01 January 2000
Fig. 9 Relationships between the mean diagonal length and the Vickers hardness for loads of 10-1000 gf More