ホーム > Term: Knoop hardness
Knoop hardness
Microhardness determined from the resistance of metal to indentation by a pyramidal diamond indenter, having edge angles of 172 degrees 30' and 130 degrees , and making a rhombohedral impression with one long and one short diagonal. Compare: Mohs scale
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
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(Milwaukee, United States)
