Tham khảo tài liệu 'friction, lubrication, and wear technology (1997) part 13', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | The high resistance to sliding wear and cavitation erosion of these alloys is attributed to planar slip during deformation. This is believed to delay the onset and progression of microfatigue as in the case of the cobalt-base alloys . Wear tests have shown that the aluminum bronzes possess anti-galling characteristics self-coupled comparable to those of ERCoCr-E low-stress abrasion resistance of the aluminum bronzes however was very low. Components typically protected using the aluminum bronzes include gears cams and cold drawing forming dies. These alloys are not recommended for elevated-temperature use because their mechanical properties considerably decrease at temperatures 200 C 390 F . References 1. . Subramanyam . Swansiger and . Avery Austenitic Manganese Steels Properties and Selection Irons Steels and High-Performance Alloys Vol 1 Metals Handbook 10th ed. 1990 p 822 2. . Avery and . Chapin Weld. J. Vol 31 1952 p 917 3. . Zordan Report 10890 Cabot Corporation 1982 4. P. Crook and . Shailes Surfacing J. Vol 16 1985 p 35 5. P. Crook and . Li Wear of Materials American Society of Mechanical Engineers 1983 p 272 Friction and Wear of Cobalt-Base Wrought Alloys Paul Crook Haynes International Inc. Alan V. Levy Lawrence Berkeley Laboratory Introduction COBALT-BASE WROUGHT ALLOYS can conveniently be categorized as follows Alloys with high-carbon contents and designed for wear service Alloys designed for high-temperature service Alloys designed to combat simultaneous corrosion aqueous and wear The high-carbon alloys such as Alloy 6B and Alloy 6K are essentially wrought versions of the weld overlay materials described in the article Friction and Wear of Hardfacing Alloys in this Volume. Wrought processing improves chemical homogeneity important in a corrosion sense markedly increases ductility and modifies substantially the geometry of the carbide precipitates within the alloys which in turn enhances resistance to low-stress abrasion . In .
