研究了钽在较低的温度(600～1000℃)下、105Pa纯氮中渗氮的物相组成和硬化行为.发现表面层由体心立方的N在Ta中的固溶体、六方氮化物Ta2N和TAN组成,但TaN的结构随处理温度不同有所变化.这种变化对渗氮过程有重大影响.渗氮动力学在试验范围内符合抛物线规律,但在不同的温度段有不同的活化能值.
参考文献
| [1] | Panaioti T A et al.Regularities of phase formation on nitridation of tantalum-tungsten alloys in glow discharge[J].Metal Science and Heat Treatment,1994,36(5/6):301-307. |
| [2] | Wu JD;Wu CZ;Zhong XX;Song ZM;Li FM;Northwestern Polytech Univ Dept Appl Phys Xian 710072 Peoples R China. .Surface nitridation of transition metals by pulsed laser irradiation in gaseous nitrogen[J].Surface & Coatings Technology,1997(2/3):330-336. |
| [3] | дАПрокобрщкини. и. т. д.Азотированиетантана[J].МеталловеденкеитермническаяобработкаМеталлов,1984(05):32-35. |
| [4] | D. Rafaja .Non-metal diffusion coefficients for the Ta-C and Ta-n systems[J].Acta materialia,1998(10):3477-3483. |
| [5] | Wiesenberger H et al.Reactive diffusion and phase equilibria in the V-C,Nb-C,Ta-C,Ta-N systems[J].Acta Materialia,1998,46(10):651-654. |
| [6] | Getteret J et al.Das kubische tantalmononitrid (Bl-Typ) und seine mischbarkeit mit den isotypen ubergangs metallnitriden und-carbiden[J].Monatshefte Fur Chemie,1975,106:113-147. |
| [7] | Lengauer W et al.Electron-probe microanalysis of light elements in multiphase diffusion couples[J].Microchimica Acta,1997,126:279. |
| [8] | D. RAFAJA;W. LENGAUER;P. ETTMAYER .MULTIPHASE LAYER GROWTH KINETICS IN FINITE GAS/SOLID DIFFUSION COUPLES[J].Acta materialia,1996(12):4835-4844. |
| [9] | Wang T M et al.Structure changes and tribological behaviors of nitrogen ion- implanted tantalum[J].Nuclear Instruments and Methods in Physics Research B:Beam Interaction with Materials and Atoms,1996,108(03):300-304. |
| [10] | Baba K;Hatada R .Syn thesis and properties of tantalum nitride films fromed by ion beam assisted deposition[J].Surface and Coatings Technology,1996,84(1-3):429-433. |
| [11] | Atsumi N;Yoshioka K et al.Nitriding of transition metal powders by ball milling in nitrogen gas[J].Materials Transactions,1993,34(12):1212-1216. |
| [12] | Boiko B T;Panchekha P A et al.Effects of nitriding on volumeporous tantalum structure[J].Fizika I Khimiya Obrabotkimaterialov,1990,1:84-89. |
| [13] | Frank. T. Sisco;Edward Epremian.Cohumbium and tantalum[J].John Wiley and Sons Inc,1963:228-389. |
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%