Abstract
The stability of M7C3 carbides as reinforcement for A356 materials for tribological applications has been investigated. For this purpose, A356/M7C3, A356/SiC and A356/ M7C3/SiC composites were prepared by powder metallurgy and tested at room temperature against SAE 4620 steel ring and AISI 304 stainless steel counterfaces under loads of 10 – 150 N. For comparison, also unreinforced A356 specimens were processed and tested under the same conditions. The tribological behavior was evaluated by microstructural examination of the wear-effected zones and by weight loss measurements of the specimens and counterfaces. The wear behavior of A356/M7C3 composite gave an excellent result as function of the applied load because the M7C3 particles act as load-bearing elements due to their excellent bonding to the Al matrix, and their interfaces withtood the wear stresses even at the highest applied load. Moreover, the M7C3 particles limited the incorporation of wear debris into the Al matrix and reduced the wear damage occasioned to the steel counterfaces compared to that of A356 Al alloy.
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© 2002 Carl Hanser Verlag, München
Articles in the same Issue
- Frontmatter
- Articles/Aufsätze
- Mechanical properties of Cu/In – 48 Sn/Cu diffusion-soldered joints
- Effect of ultrasonic (cavitation) treatment of the melt on the microstructure evolution during solidification of aluminum alloy ingots
- Computer simulation of the long-range diffusional transformation based on the postulated principle of maximum dissipation rate of Gibbs energy
- Kinetics of growth of intermetallics in the Cu–Sn system
- Atomic composition of the metastable β″ phase precipitate in an Al –Mg–Si alloy
- Interfacial tension of metastable immiscible alloys: a novel measurement concept
- On the kinetics of the initial oxidation of iron and iron nitride
- Synthesis and characterisation of MgAlON
- Kinetic studies of oxidation of MgAlON and a comparison of the oxidation behaviour of AlON, MgAlON, O’SiAlON–ZrO2, and BN–ZCM ceramics
- Study on warm rolling of AISI 1015 carbon steel
- Experimental study on elastic modulus and damping capacity of woodceramics
- Texture development during cold rolling of unidirectionally solidified Al–Al3Ni alloy
- Wear behavior of A356/M7C3 and A356/SiC particulate metal matrix composites
- Microstructural characterization and microhardness of rapidly solidified Al –Ce alloys
- Effect of quenching rate on the microstructure of rapidly solidified Al –Sr alloys
- The protective mechanism of the native rust layer on Cr-containing steels exposed to marine atmosphere
- Notifications/Mitteilungen
- Personen
- DGM conferences
Articles in the same Issue
- Frontmatter
- Articles/Aufsätze
- Mechanical properties of Cu/In – 48 Sn/Cu diffusion-soldered joints
- Effect of ultrasonic (cavitation) treatment of the melt on the microstructure evolution during solidification of aluminum alloy ingots
- Computer simulation of the long-range diffusional transformation based on the postulated principle of maximum dissipation rate of Gibbs energy
- Kinetics of growth of intermetallics in the Cu–Sn system
- Atomic composition of the metastable β″ phase precipitate in an Al –Mg–Si alloy
- Interfacial tension of metastable immiscible alloys: a novel measurement concept
- On the kinetics of the initial oxidation of iron and iron nitride
- Synthesis and characterisation of MgAlON
- Kinetic studies of oxidation of MgAlON and a comparison of the oxidation behaviour of AlON, MgAlON, O’SiAlON–ZrO2, and BN–ZCM ceramics
- Study on warm rolling of AISI 1015 carbon steel
- Experimental study on elastic modulus and damping capacity of woodceramics
- Texture development during cold rolling of unidirectionally solidified Al–Al3Ni alloy
- Wear behavior of A356/M7C3 and A356/SiC particulate metal matrix composites
- Microstructural characterization and microhardness of rapidly solidified Al –Ce alloys
- Effect of quenching rate on the microstructure of rapidly solidified Al –Sr alloys
- The protective mechanism of the native rust layer on Cr-containing steels exposed to marine atmosphere
- Notifications/Mitteilungen
- Personen
- DGM conferences