TAILIEUCHUNG - Steel Heat Treatment - Metallurgy and Technologies 2nd ed - G. Totten (CRC_ 2010) WW Part 5

Tham khảo tài liệu 'steel heat treatment - metallurgy and technologies 2nd ed - g. totten (crc_ 2010) ww part 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | FIGURE Measuring hardness on the Jominy specimen and plotting the Jominy hardenability curve. From G. Krauss Steels Heat Treatment and Processing Principles ASM International Metals Park OH 1990. Figure shows Jominy hardenability curves for different unalloyed and low-alloyed grades of steel. This figure illustrates the influence of carbon content on the ability to reach a certain hardness level and the influence of alloying elements on the hardness distribution expressed as hardness values along the length of the Jominy specimen. For example DIN Ck45 an unalloyed steel has a carbon content of C and exhibits a higher maximum hardness see the value at 0 distance from the quenched end than DIN 30CrMoV9 steel Distance from quenched end mm FIGURE Jominy hardenability curves average values for selected grades of steel designations according to German DIN standard . From G. Spur Ed. Handbuch der Fertigungstechnik Band 4 2 Warmebehandeln Carl Hanser Munich 1987 p. 1012. 2006 by Taylor Francis Group LLC. FIGURE Measuring hardness on the Jominy specimen and plotting the Jominy hardenability curve. From G. Krauss Steels Heat Treatment and Processing Principles ASM International Metals Park OH 1990. Figure shows Jominy hardenability curves for different unalloyed and low-alloyed grades of steel. This figure illustrates the influence of carbon content on the ability to reach a certain hardness level and the influence of alloying elements on the hardness distribution expressed as hardness values along the length of the Jominy specimen. For example DIN Ck45 an unalloyed steel has a carbon content of C and exhibits a higher maximum hardness see the value at 0 distance from the quenched end than DIN 30CrMoV9 steel Distance from quenched end mm FIGURE Jominy hardenability curves average values for selected grades of steel designations according to German DIN standard . From G. Spur Ed. Handbuch der Fertigungstechnik Band 4 2 Warmebehandeln .

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