| 摘要 |
A wear part is formed of a diamond-containing composite material with 40 to 90% by volume of diamond grains, 0.001 to 12% by volume of carbidic phase, formed from one or more elements from the group Si, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, B, Sc, Y and lanthanides and 7 to 49% by volume of a metallic or intermetallic alloy with a liquidus temperature <1400° C., the metallic or intermetallic alloy containing the carbide-forming element or elements in dissolved or precipitated form and having a hardness at room temperature >250 HV.
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