用X射线衍射、电子背散射像、钴磁仪和矫顽磁力计分析研究了烧结气氛(真空,N2,Ar)对Ti(C,N)基金属陶瓷合金的化学成分、饱和磁化强度和矫顽磁力的影响.结果表明:金属陶瓷混合料压坯在Ar气、真空、N2气等3种不同的气氛中烧结后,相应合金的碳、氮、氧总量依次增加,相应合金中粘结相的晶格常数依次减小,饱和磁化强度依次增大.Ar气和N2气烧结造成金属陶瓷合金的组织结构不均匀,N2气烧结影响更大,矫顽磁力出现异常.钴磁和矫顽磁力可以作为金属陶瓷合金化学成分和组织结构变化的一个判据.
参考文献
| [1] | 刘寿荣 .[J].理化检验-化学分册,2003,39(02):70. |
| [2] | 刘寿荣,郝建民,褚连青,赵光远,梁福起,杨惠琴.硬质合金的断裂韧性及其无损评估[J].有色金属,2000(02):83-87. |
| [3] | Zhigang F;Eason W .[J].International Journal of Powder Metallurgy,1993,29(03):259. |
| [4] | 郑勇,熊惟皓,宗校军.Ti（C,N）固溶体的价电子结构及其与硬度和塑性间的关系[J].稀有金属材料与工程,2002(01):13-16. |
| [5] | Ulf Rolander;Gerold Weinl;Marcus Zwinkels .Effect of Ta on structure and mechanical properties of (Ti,Ta,W)(C,N)-Co cermets[J].International Journal of Refractory Metals & Hard Materials,2001(4/6):325-328. |
| [6] | Frykholm R.;Andren HO. .Development of the microstructure during gradient sintering of a cemented carbide[J].Materials Chemistry and Physics,2001(1/3):203-208. |
| [7] | Zackrisson J;Andrén H O .[J].International Journal of Refractory Metals and Hard Materials,1999,17(04):265. |
| [8] | Jeon E T;Joardar J;Kang S .[J].International Journal of Refractory Metals and Hard Materials,2002,20(03):207. |
| [9] | Zackrisson J.;Rolander U. .MICROSTRUCTURE AND PERFORMANCE OF A CERMET MATERIAL HEAT-TREATED IN NITROGEN[J].Acta materialia,2000(17):4281-4291. |
| [10] | 冯端.金属物理学:超导性和磁性[M].北京:科学出版社,1998 |
| [11] | Jiang WH;Hu ZQ;Guan HR .Effects of heat treatment on microstructures and mechanical properties of a directionally solidified cobalt-base superalloy[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(1/2):101-108. |
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