采用工业用原材料在铜模吸铸条件下制备了直径为2 mm的Fe50Co7Ni13Zr10B20块体非晶合金.利用X射线衍射仪(XRD)、差分扫描量热计(DSC)对铸态样品的结构、非晶合金的热稳定性、晶化动力学行为进行了研究.该合金的玻璃转变温度Tg、初始晶化温度Tx1、过冷液相区△Tx1约化玻璃转变温度Trg分别为804 K、875 K、71 K和0.59.采用连续加热方法对其晶化动力学进行了研究,得到其玻璃转变激活能和晶化峰激活能分别为339.2 kJ/mol和326.4 kJ/mol,表明合金具有强的热稳定性.由VFT方程拟合获得该非晶合金的脆性参数m为23.
参考文献
| [1] | Inoue A;Zhang T;Takeuchi A .Bulk amorphous alloys with high mechanical strength and good soft magnetic properties in Fe-TM-B (TM=IV-VIII group transition metal) system[J].Applied physics letters,1997(4):464-466. |
| [2] | Inoue A.;Koshiba H.;Makino A.;Zhang T. .New bulk amorphous Fe-(Co,Ni)-M-B (M=Zr,Hf,Nb,Ta,Mo,W) alloys with good soft magnetic properties[J].Journal of Applied Physics,1998(11 Pt.2):6326-6328. |
| [3] | T. D. SHEN;R. B. SCHWARZ .BULK FERROMAGNETIC GLASSES IN THE Fe-Ni-P-B SYSTEM[J].Acta materialia,2001(5):837-847. |
| [4] | Mizushima T;Ikarashi K;Inoue A .Soft magnetic properties of ring shape bulk glassy Fe-Al-Ca-P-C-B-Si alloy prepared by copper mold casting[J].Materials Transactions-Japan Institute of Metals,1999,40(09):1019-1022. |
| [5] | Akihisa Inoue;Yoshiyuki Shinohara;Jin Seon Gook .Thermal and Magnetic Properties of Bulk Fe-Based Glassy Alloys Prepared by Copper Mold Casting[J].Materials Transactions, JIM,1995(12):1427-1433. |
| [6] | Koshiba H;Inoue A;Makino A .Fe-based soft magnetic amorphous alloys with a wide supercooled liquid region[J].Journal of Applied Physics,1999,85(08):5136-5138. |
| [7] | Wei Zhang;Akihisa Inoue .Formation and Magnetic Properties of Bulk Glassy Fe-Co-Nd-Dy-B Alloys with High Boron Concentrations[J].Materials transactions,2000(12):1679-1682. |
| [8] | Tao Zhang;Akihisa Inoue .Bulk Glassy Alloys in (Fe, Co, Ni)-Si-B System[J].Materials transactions,2001(6):1015-1018. |
| [9] | Akihisa Inoue;Baolong Shen .Formation and soft magnetic properties of Fe-B-Si-Zr bulk glassy alloys with high saturation magnetization above 1.5T[J].Materials transactions,2002(9):2350-2353. |
| [10] | T. D. Shen;R. B. Schwarz .Bulk ferromagnetic glasses prepared by flux melting and water quenching[J].Applied physics letters,1999(1):49-51. |
| [11] | Inoue A .Bulk amorphous alloys with soft and hard magnetic properties[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1997,226-228:357-363. |
| [12] | Greer A L .Confusion by design[J].Nature,1993,366:303-304. |
| [13] | De Boer F R;Boom R;Matterns W C M.Cohesion in Metals[M].Amsterdam:North-Holland,1989 |
| [14] | Kissinger H E .Reaction kinetics in differential thermal analysis[J].Analytical Chemistry,1957,29(11):1702-1706. |
| [15] | Wang H R;Gao Y L;Hui X D et al.Effect of cooling rate on crystallization of metallic Zr-Cu-Ni glass[J].Journal of Alloys and Compounds,2003,350(122):194-198. |
| [16] | Ozawa T .Kinetic analysis of derivative curves in thermal analysis[J].Journal of Thermal Analysis,1970,2(03):301-324. |
| [17] | Lasocka M .The effect of scanning rate on glass transition temperature of splat-cooled Tess Gels[J].Materials Science and Engineering,1976,23(2-3):173-177. |
| [18] | Bruning R;Samwer K .Glass transition on long time scales[J].Physical Review B,1992,46(18):11318-11322. |
| [19] | Ediger M D;Angell C A;Nagel S R .Supercooled liquids and glasses[J].Journal of Physical Chemistry,1996,100(31):13200-13212. |
| [20] | Angell CA .FORMATION OF GLASSES FROM LIQUIDS AND BIOPOLYMERS [Review][J].Science,1995(5206):1924-1935. |
| [21] | Johnson W.L.;Wagner W. .Comparison of the Decomposition and Crystallization Behavior of Zr and Pd Based Bulk Amorphous Alloys[J].Materials Science Forum,2000(Pt.1):179-184. |
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%