Influence of grain size and porosity on the high-temperature friction of titanium carbide

Tkachenko, Yu. G.; Murzin, L. M.; Yulyugin, V. K.; Yurchenko, D. Z.; Mamonova, A. A.

doi:10.1007/bf00797182

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Metallic Refractory Compounds1

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2008

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“…We analyzed how grain size and porosity influenced the behavior of titanium carbide in vacuum friction [21,22]. The friction coefficient of TiC-TiC does not practically depend on the grain size at 250°C and its wear rate at 1250°C.…”

Section: Metallic Refractory Compoundsmentioning

confidence: 99%

High-temperature friction of refractory compounds

Tkachenko

Yurchenko

Koval'chenko

2008

Powder Metall Met Ceram

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The paper overviews long-term studies into the behavior of metallic (carbides, borides, and nitrides of transition metals), and nonmetallic (boron and silicon carbides, aluminum nitride) refractory compounds as well as composite materials based on them in high-temperature friction in vacuum and air. The friction characteristics (wear rate and friction coefficient) are indicated as a function of temperature in the range from room temperature up to 1000-1400°C. Data of x-ray examination and electron microscopy of friction surfaces are cited. The fracture mechanism for contacting surfaces of materials in friction is considered.

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Section: Metallic Refractory Compoundsmentioning

confidence: 99%