超硬材料與硬質(zhì)合金材料物理性能對(duì)比

國際金屬加工網(wǎng)

	聚晶PCBN	天然金剛石	人造單晶金剛石	聚晶金剛石	硬質(zhì)合金
硬度( 克氏 )( kg/mm² )	3000-7000	7700-12000	7700-10000	4000-12000	1700-2000
抗折強(qiáng)度( kg/mm²)	-200	-200	-200	100-200	-200
抗壓強(qiáng)度( kg/mm² )	-700	-850	-850	750-850	-650
楊氏模量( X10⁴ kg/mm² )	6.0-9.0	9.9	9.9	8.5-9.9	-5.8
熱穩(wěn)定性( ℃ )	1100-1300	1200	600-1200	750-1300	1200
熱傳導(dǎo)率( 室溫-100℃ ) (cal/cm ? s ? ℃)	0.3-1.1	1.7-4.0	3.0-4.0	1.5-3.0	0.16-0.20

（神龍）

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