在高温高压条件下(HTHP, 5.2~5.6GPa,1350~1450℃),以镍基合金为烧结助剂(触媒),采用熔渗法制备了质地均匀的D-D结合生长型金刚石复合片(polycrystalline diamond compact,PDC).采用OM、SEM、XRD和EDS等考察了PDC界面的组织形貌、成分及结合层的元素分布特点,并对其界面生长的复合机理进行了探讨.实验结果表明,镍基合金助剂均匀熔渗透了金刚石层和碳化钨基底层;金刚石层形成了致密相互交错的D-D成键的网状结构;复合界面以过渡层形式存在.
参考文献
[1] | Wentorf R H;DeVries R C;Bundy F B .[J].Science,1980,208:873-880. |
[2] | Dan Belnap;Anhony Griffo.[J].Diamond and Related Materials,2004(13):1914-1922. |
[3] | Akaishi M;Yamaoka S;Ueda F.[J].Diamond and Related Materials,1996(05):2-7. |
[4] | Li Shangjie;Akaishi;Minoru.[J].Journal of Materials Science,1990(25):4150-4156. |
[5] | 陈石林,陈启武,陈梨.聚晶金刚石复合体界面组织及界面反应的研究[J].矿冶工程,2003(06):82-85. |
[6] | Zijsling D H.Analysis of Temperature Distribution and Performance of PDC Bits Under Field Drilling Conditions[A].Houston,1984:13260. |
[7] | Gloowka D A;Stone C M .[J].SPE Drilling Eng,1986,1(03):201-214. |
[8] | Walmsley J C;Lang A R .[J].Journal of Materials Science Letters,1983,2:785. |
[9] | Yazu S;Nishikawa T;Nakai T.[A].Oxford:Pergamon Press,1983:449. |
[10] | Walmsley J C;Lang A R;Daniel P.Ultra Hard Materials Application Technology[M].Ascot:DeBeers Industrial Diamond Division,1985:11. |
[11] | 秦喜杰;殷声;赖和忆.[J].粉末冶金技术,1992(05):12-18. |
[12] | 孙风莲;于彦东;孙平忠 等.[J].焊接学报,1997,18(03):177-181. |
[13] | 王德新;王福泉;杨宝德 等.[J].人工晶体学报,1996,28(3-4):346-349. |
[14] | 孙毓超;刘一波;王秦生.金刚石工具与金属学[M].北京:中国建材工业出版社,1999 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%