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AI 胡說(shuō)八道? |
點(diǎn)評(píng)
材料韌性好,表現(xiàn)為受力后不容易斷裂。比如硬質(zhì)合金刀片,硬度太高的硬質(zhì)合金,韌性必然差,容易斷裂;所以有時(shí)需要硬度稍低但兼顧韌性的硬質(zhì)合金刀片
真的嗎?我怎么覺(jué)得“韌性”也要能恢復(fù)原狀?否則銅的韌性就是無(wú)限好了。
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