Search Results for alloy hardness

Fig. 1 Hardness and electrical resistivity versus alloy content for silver alloy contacts More

Fig. 49 Hardness as a function of aging time for an Al-4Cu alloy. The alloy was solution annealed for at least 48 h at 520 °C (970 °F), then cooled quickly (water quenched) to 25 °C (77 °F). Adapted from Ref 38 More

Fig. 1 Hardness and electrical resistivity versus alloy content for silver alloy contacts More

Fig. 2 Relationship between current density and alloy deposit hardness for various cobalt concentrations in solution with superimposed zero stress contour More

Fig. 4 Effect of section thickness on the hardness of austempered carbon and alloy steels. The 5160 steel was quenched in agitated salt containing some water. The HRC values were converted from microhardness readings taken with a 100 g load. Low values of surface hardness result from More

Fig. 8 Influence of alloying elements on (a) hardness after nitriding (base alloy, 0.35% C, 0.30% Si, 0.70% Mn) and (b) depth of nitriding measured at 400 HV (nitriding for 8 h at 520 °C, or 970 °F). Source: Ref 6 More

Fig. 2 Maximum hardness as a function of carbon for carbon and alloy steels. Source: Ref 3 More

Fig. 4 Hardness distribution of carbon steel (1045) and alloy steels (6140) in various section sizes with water quench (a, b) and oil quench (c, d). Source: Ref 4 More

Fig. 2 Hardness and electrical resistivity versus alloy content for platinum contacts More

Fig. 3 Hardness and electrical resistivity versus alloy content for palladium contacts More

Fig. 18 Hardness distribution for steels for hot-wound helical springs. Alloy steels were oil quenched from 845 °C (1550 °F); 1095 was oil quenched from 885 °C (1625 °F). Data were obtained from hot-rolled, heat-treated laboratory test coupons, 305 mm (12 in.) long. Specimens were sectioned More

Fig. 8 Influence of retained austenite on the surface hardness of carburized alloy steels (reheat quenched and tempered at 150 to 185 °C, or 300 to 365 °F). Source: Ref 1 More

Fig. 30 Time-temperature-constant hardness curves for Fe-30Cr (Alloy 90) after aging done between approximately 430 and 540 °C (805 and 1005 °F), around the region of 475 °C embrittlement. Specimens rolled at 900 °C (1650 °F); starting hardness, 195 to 205 HV. Source: Ref 192 More

Fig. 2 Case-hardness gradients for two carbon steels and four low-alloy steels showing effects of carburizing temperature and time. Specimens measuring 19 mm diam by 51 mm (¾ in. diam by 2 in.) were carburized, air cooled, reheated in neutral salt at 845 °C (1550 °F), and quenched in nitrate More

Fig. 10 Hardness gradients for several alloy and tool steels nitrided in salt by the liquid pressure process. Rockwell C hardness values are converted from Knoop hardness measurements made using a 500 g load. Temperatures are nitriding temperatures. More

Fig. 7 Hardness versus tensile strength of low-alloy cast steels More

Fig. 1 Effect of cold reduction on the hardness of various nickel alloy sheet materials and, for comparison, aluminum, copper, type 304 stainless steel, and low-carbon ferritic steel More

Fig. 8 Backward spinning of alloy A-286 roll-forged tube (hardness, 203 HV max). Dimensions given in inches More

Fig. 51 Plot of hardness versus tensile strength for AISI 4130 alloy steel with and without wetting by molten lithium at 205 °C (400 °F). Source: Ref 291 More

Fig. 2 Typical hardness versus electrical conductivity of 7075 aluminum alloy. Typical only; not for use in acceptance or rejection. IACS, International Annealed Copper Standard. Source: Ref 2 More