Figure 5-17 Correlation of Vickers hardness with a 10-kgf load with Knoop hardness for Knoop test loads of 10 to 500 gf. (From Emond, Ref. 62, courtesy of the American Society for Metals.) More

Fig. 1 The connection between Mohs hardness and Vickers hardness, showing the strong nonlinearity of the Mohs scale. Source: Ref 2 More

Fig. 5.5 Diamond pyramid (Vickers) hardness indentations in ferrite and pearlite of banded 1045 steel. Original magnification: 230× More

Figure 5-7 Percentage decrease in Vickers hardness due to specimen tilting for 1, 3, or 5 or a large number (M) of indentations. (From Mulhearn and Samuels, Ref. 18, courtesy of the Metals Society.) More

Figure 5-8 Vickers hardness as a function of applied load (1 to 50 kgf) for five steel test blocks. More

Figure 5-23 Vickers hardness and tensile strength of AISI 304 stainless steel as a function of test temperature. (From Moteff et al., Ref. 100, courtesy of the American Society for Metals.) More

Fig. 14.14 Correlation of yield and ultimate tensile strengths with Vickers hardness for steels with ferrite/pearlite microstructures, with and without microalloying. Source: Ref 14.20 More

Fig. 10.49 Microhardness profile measured using Vickers hardness tester with a 500 g load as a function of the distance from the overlay surface for alloy 625 weld overlay on the waterwall of a supercritical boiler after 1 year of operation when circumferential grooves, as shown in Fig. 10.36 More

Fig. 12 Vickers hardness testers. (a) Principal components of a mechanical type. (b) Modern Vickers tester with digital readout of diagonal measurements and hardness values. Source: Ref 1 More

Fig. 14 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 More

Fig. 16.4 Conversion of Rockwell and Vickers hardness values, based on curve fitting. Source: Ref 16.29 More

Fig. 1 Vickers hardness testing machine More

Fig. 30 Diagonal length as a function of the Vickers hardness for HV 100, HV 30, HV 10, and HV 1. Source: Ref 1 More

Fig. 33 Example of a micro-Vickers hardness testing machine. Courtesy of Walter Uhl, technical microscopy More

Fig. 35 Dependence of Vickers hardness on moisture content for polyamid 6. Source: Ref 2 More

Fig. 2 Chronological development of German standards for the Vickers hardness test More

Fig. 7.56 Relationships between Vicker’s hardness number, carbon percent, and martensite. Source: Ref 18 More

Figure 5-6 ( a ) Vickers diamond pyramid hardness tester. (Courtesy of Vickers Limited.) ( b ) Vickers, Brinell, and Rockwell tests can be performed on the Dia-Testor 2Rc hardness tester. ( Courtesy of Otto Wolpert-Werke GmbH .) ( c ) Vickers, Brinell, and Rockwell tests can be performed More

Figure 5-22 Akashi Model AVK-HF Vickers hot-hardness tester. More