分别从理论计算和实验研究两个方面对氟盐法制备Al-Ti-B中间合金过程中K2TiF6和KBF4的添加顺序对合金组织的影响进行讨论.结果表明:不同的加料顺序对Al-Ti-B中间合金的物相组成、TiAl3颗粒尺寸、洁净度等影响很大;在保证高细化效果和洁净度的情况下,使用混合添加K2TiF6和KBF4制备Al-Ti-B中间合金的工艺最佳.该研究结果为工业上选取合适的原料添加顺序制备Al-Ti-B中间合金提供了参考.
参考文献
[1] | D. QIU;J.A. TAYLOR;M.-X. ZHANG.Understanding the Co-Poisoning Effect of Zr and Ti on the Grain Refinement of Cast Aluminum Alloys[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,201013(13):3412-3421. |
[2] | T. M. Chandrashekharaiah;S. A. Kori.Effect of grain refinement and modification on the dry sliding wear behaviour of eutectic Al-Si alloys[J].Tribology International,20091(1):59-65. |
[3] | 王顺成;徐静;王海艳;郑开宏;戚文军.铝晶粒细化剂AI-STi-1B合金的晶粒细化机理[J].材料导报,2014(2):123-126,149. |
[4] | Yucel Birol.Production of Al-Ti-B grain refining master alloys from B_2O_3 and K_2TiF_6[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20071/2(1/2):94-98. |
[5] | 陈亚军;许庆彦;黄天佑.氟盐法制备Al-Ti-B中间合金工艺优化[J].铜业工程,2005(4):45-48. |
[6] | Nikitin V.I.;Wnqi J.I.E..Preparation of Al-Ti-B grain refiner by SHS technology[J].Scripta materialia,20006(6):561-566. |
[7] | Yucel Birol.Al-Ti-B grain refiners via powder metallurgy processing of Al/K_2TiF_6/KBF_4 powder blends[J].Journal of Alloys and Compounds,20092(2):311-314. |
[8] | 林春梅;冯义成;张德军.采用纯钛粉和氟硼酸钾制备Al-Ti-B合金研究[J].热加工工艺,2015(16):165-167. |
[9] | 李智;李保平;王建华;苏旭平.Al-Ti-B中间合金的细化性能研究[J].热加工工艺,2009(11):12-14. |
[10] | Y. Birol.Effect of the salt addition practice on the grain refining efficiency of Al-Ti-B master alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20061/2(1/2):207-212. |
[11] | 卢育;杨钢;陈越;汤皓元.加料方式对制备铝钛硼中间合金的影响[J].热加工工艺,2014(7):68-70. |
[12] | 陈越;卢育;汤皓元;杨钢;方树铭.两种不同的加料方式对铝钛硼中间合金成分的影响[J].云南冶金,2013(2):81-84,95. |
[13] | 陈亚军;许庆彦;黄天佑;冀树军;梁再枝.氟盐法制备Al-Ti-B中间合金的研究[J].铸造技术,2006(6):601-604. |
[14] | 黄清民;周玉辉.改善Al-5Ti-B中间合金微观组织及洁净度的研究[J].铸造技术,2009(11):1437-1439. |
[15] | 廖成伟;李洋;涂睿;陈建春;潘春旭.高洁净度Al-5Ti-1B晶粒细化剂的制备与微结构特征[J].特种铸造及有色合金,2012(3):203-207. |
[16] | 陈亚军;许庆彦;黄天佑.Al-Ti-B中间合金中第二相沉淀现象研究[J].北京科技大学学报,2007(5):465-469. |
[17] | J.Fjellstedt;A.E.W.Jarfors.Experimental analysis of the intermediary phases AlB2,AlB12 and TiB2 in the Al-B and Al-Ti-B systems[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,19991/2(1/2):192-197. |
[18] | 朱昊;王树茂;李志念;刘晓鹏;蒋利军.烧结温度和保温时间对AlB2合成反应的影响[J].稀有金属,2010(5):653-657. |
[19] | S. Lakshmi;L. Lu;M. Gupta.In situ preparation of TiB{sub}2 reinforced Al based composites[J].Journal of Materials Processing Technology,19981/3(1/3):160-166. |
[20] | 李保平;李智;王建华;王鑫铭;程桃祖;苏旭平.工艺参数对Al-Ti-B中间合金第二相粒子的影响[J].特种铸造及有色合金,2007(4):317-319. |
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