| http://www.w3.org/ns/prov#value | - a binder at least partially surrounding and in direct physical contact with each hard particle of the plurality of hard particles, the binder including a material selected from the group consisting of iron-based alloys, nickel-based alloys, iron and nickel-based alloys, iron and cobalt-based alloys, aluminum-based alloys, copper-based alloys, magnesium-based alloys, and titanium-based alloys, comm
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