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| 1 | 原位反应法制备Al/Al_3Ti复合材料组织和性能显示文摘本研究采用一种新型的原位反应工艺,使TiO2粉剂与纯铝熔体反应,生成Al3Ti颗粒,然后采用搅拌铸造法制备Al/Al3Ti复合材料。生成的Al3Ti颗粒尺寸细小,为2~3μm,而且分布均匀,与基体结合好。当TiO2加入量为纯铝基体的30wt%、反应温度为920℃时,复合材料的抗拉强度比纯铝基体提高71.5%,硬度提高134%,而延伸率较纯铝稍有下降。 | 陈子勇 陈玉勇 舒群 彭德林 安阁英 | 1997 | 复合材料学报1997，14，2： | 13 |
| 2 | ZL205A合金块状偏析形成机理显示文摘以实际生产过程中ZL205A合金铸件块状偏析缺陷为研究对象,研究了该合金块状偏析显微组织和偏析相的化学成分,并研究块状偏析相的显微硬度及其对力学性能的影响。结果表明:ZL205A合金块状偏析是由Al3Ti、Al3V和Al3Zr组成的混合组织,显微组织呈规则的长方形或花瓣状,偏析缺陷对试样抗拉强度和延伸率影响较大,但偏析相显微硬度比基体高,热处理并不能消除块状偏析;块状偏析是在合金液凝固结晶过程中,Al3Ti、Al3V和Al3Zr形核质点聚集、长大造成的,预制锭中粗大的块状组织对其形成具有一定的形态遗传性。 | 贤福超 郝启堂 范理 | 2014 | 稀有金属材料与工程2014，43，4： | 13 |
| 3 | Sc和Ti对纯铝细化机理的价电子结构分析显示文摘传统的相图理论和晶体界面共格理论无法从本质上解释Sc和Ti对纯铝及铝合金的细化作用差别的机理.运用固体与分子经验电子理论(EET)研究了Al-Ti,Al-Sc两种合金的价电子结构,通过计算共价键电子对数、界面电子密度差,指出两种合金形核质点的晶体共价电子对数目多少、第二相颗粒与基体界面电子密度差的不同等因素,是造成Sc,Ti对纯铝细化作用差别的本质原因. | 李培杰 叶益聪 何良菊 | 2008 | 科学通报2008，53，11： | 8 |
| 4 | Microstructures and corrosion properties of casting in situ Al_3Ti-Al composites显示文摘The effects of Ti content and the alloying elements of Si and Cu on the microstructures of casting in situ Al3Ti-Al composites were investigated. Simultaneously, their corrosion properties were also discussed. The results indicate that the aspect ratios of Al3Ti platelets in different Al based composites are different although all of them are in flaky shape. The morphologies of Al3Ti phase are not only determined by Ti content, but are also related to the alloying elements. The grain refining role of Al3Ti phase in the pure Al and Al-Cu based composites is more effective than that in the Al-Si based composite. The addition of Ti decreases the corrosion resistance of pure Al and Al alloys. The corrosion resistances of the composites are dependent on both the corrosion characteristics of the corresponding matrixes and the distribution of Al3Ti platelets. | CHEN Tijun LI Jian HAO Yuan | 2010 | Rare Metals2010，29，1： | 7 |
| 5 | 高能超声处理对原位Al_3Ti/A356复合材料显微组织和力学性能的影响显示文摘采用熔体直接反应法,以工业钛剂和A356合金为反应物,利用高能超声原位合成了Al3Ti/A356复合材料。利用X射线衍射与扫描电镜对该复合材料的微观组织和物相组成进行分析,并通过拉伸实验对该复合材料的力学性能进行测试。结果表明,经过高能超声处理后,复合材料中的Al3Ti颗粒尺寸较高能超声处理前明显变小,分布也更均匀。当超声功率为1.2kW/cm2,超声作用时间为360s时,颗粒尺寸最小,为0.5~2μm。复合材料的抗拉强度、屈服强度和伸长率分别达到281.83、226.72MPa和5.6%,较未施加高能超声的复合材料分别提高了16.2%、10.3%和33.3%。 | 徐勇华 陈刚 裘晨 赵玉涛 侯文胜 余莹 | 2013 | 功能材料2013，44，11： | 5 |
| 6 | Differences of grain-refining effect of Sc and Ti additions in aluminum by empirical electron theory analysis显示文摘The differences of grain-refining effect between Sc and Ti additions in aluminum,which cannot be substantially explained by traditional theories,were carefully studied.The empirical electron theory(EET) of solids and molecules was employed to calculate the valence electron structures(VES) of Al3Ti and Al3Sc.The conclusions can be drawn that,in the two alloys Al-Ti and Al-Sc,the different valence electron structures of Al3Ti and Al3Sc and the consequent differences of growth habit of the two particles,and the different interfacial electron density between particles and matrix fundamentally lead to the differences of grain-refining effect between Sc and Ti additions on aluminum and make Sr the better grain-refiner of aluminum. | 叶益聪 何良菊 李培杰 | 2010 | Transactions of Nonferrous Metals Society of China2010，20，3： | 5 |
| 7 | 激光熔覆Al3Ti金属间化合物涂层的腐蚀及耐磨性能研究显示文摘采用5 kW横流CO2激光器在AA6063铝合金表面激光熔覆Al3Ti金属间化合物涂层,研究了熔覆层的显微组织、电化学腐蚀和摩擦磨损性能。结果表明,熔覆层由树枝晶Al3Ti和枝晶间α-Al两相组成,并与基材形成良好的冶金结合。熔覆层在w(NaCl)=3.5%溶液中发生钝化,腐蚀电流密度约为基材的1/10;在载荷10 N、摩擦距离800 m时,熔覆层的磨损质量损失低于基材的1/2,说明Al3Ti金属间化合物涂层显著提高了基材的耐腐蚀和耐磨损性能。 | 杨智成 王国华 何欢 符跃春 | 2010 | 热加工工艺2010，39，2： | 5 |
| 8 | 阳极效应对电解铝液中氢形成的影响机理研究显示文摘采用铝液通氢的方法模拟木条裂解产物氢、H2O(汽)与铝液作用过程,利用化学分析、氢分析、扫描电子显微镜(SEM)以及分子动力学方法,研究了氢及通氢时带入的水与铝液反应过程,模拟计算氢在铝液中的扩散方式以及影响扩散的关键环节。研究氢、氧化铝夹杂在铝样中的形貌与分布规律,从微观机制上揭示氢对电解铝液的传质规律。结果表明:熄效应使铝液氢含量增加,实验铝液氢含量达到1.266 m L/100 g,铝液中的Al3Ti、Al2O3共同吸附铝液中的氢形成AlTiOH团簇,寄生于氧化铝夹杂表面的氢随氧化铝夹杂悬浮于铝液中,是铝液中氢含量明显升高的原因。 | 贺永东 邢诗雨 陈楚 陈瑶 李志军 刘向阳 何茂刚 | 2016 | 矿冶工程2016，36，6： | 4 |
| 9 | Aluminum matrix composite reinforced by in-situ formed intermetallic Al_3Ti显示文摘The reinforced phase of in situ formed intermetallic compound Al 3Ti with grain size about 0.5?μm in the aluminum matrix composite was achieved by the method of liquid solid reaction under specific condition. The orientations were also studied. The results show that under T6 heat treatment regime, the tensile strength, hardness, elastic modulus and elongation of Al 3Ti/ZL101 in situ composite are increased by 32.8%, 14.4%, 19.2% and 14.6% respectively in comparison with those of ZL101. Al 3Ti is uniformly distributed in α (Al) matrix with a clear phase interface, and the orientation relationship between Al 3Ti and α (Al) is (006) Al 3Ti ∥ (02-2) Al , -22] Al 3Ti ∥ Al 3Ti ∥-0] Al . The strengthening mechanisms of Al 3Ti/ZL101 in situ composite is proved to be caused by fine grain size, spreading distribution and dislocation multiplication. Al . The strengthening mechanisms of Al 3Ti/ZL101 in situ composite is proved to be caused by fine grain size, spreading distribution and dislocation multiplication. | 赵玉厚 周敬恩 严文 | 2002 | 中国有色金属学会会刊:英文版2002，12，4： | 4 |
| 10 | 熔体内原位制备Al_3Ti增强铝基复合材料的研究显示文摘5Al-Ti体系粉末压坯在铝液中原位反应,经搅拌浇注后制备出Al3Ti颗粒增强的铝基复合材料。分析了5Al-Ti体系粉末的反应过程及热力学,探讨了工艺参数对复合材料微观组织形态的影响及形成机理。研究发现,5Al-Ti体系粉末在850℃预热时,发生剧烈的热爆反应生成Al3Ti;压坯在铝液中预热经搅拌浇注后Al3Ti颗粒在铝基体上呈细小块状和短棒状分布,复合材料硬度随着Al3Ti颗粒含量的增多而提高;合适的搅拌工艺有助于Al3Ti颗粒在铝基体上的均匀分布。 | 霍小卫 王树奇 陈康敏 | 2007 | 特种铸造及有色合金2007，27，7： | 3 |
| 11 | 复相Al_3Ti基金属间化合物亚稳转变及重有序化显示文摘本文研究了Al67Mn8Ti24Nb1复相金属间化合物在高能球磨过程中的亚稳态转变及亚稳粉末在加热时重有序化.由L12结构的基体和由DO22型Al3(Ti,Nb)第二相组成的Al67MN8Ti24Nb1复相合金在球磨过程中,L12相有序度下降、DO22相溶入,经15h后合金呈化学无序的fcc过饱和固溶体,继续球磨则逐步转变成非晶态,其亚稳转变过程中的结构演变顺序为:Ll2十DO22→Ll2(弱有序)→无序fcc→fcc+非晶→非晶.利用100/200和110/220二对衍射峰计算有序应,虽然变化趋势相同,但两者下降速率不同,按110/220这一对衍射峰计算的有序度下降更快,表明合金在球磨过程中会造成结构上的异向性;非晶态合金加热时发生重有序化,其结构转变序列为:非晶态→无序fcc→弱有序Ll2并开始析出DO22相→完全有序Ll2并充分析出第二相. | 傅云义 胡赓祥 杨王玥 孙祖庆 | 1999 | 金属学报1999，35，6： | 3 |
| 12 | Casting fabrication of in situ Al_3Ti-Al composites and their wear behaviors显示文摘The Al3Ti intermetallic reinforced pure Al,Al-13Si and Al-17Cu matrix composites were prepared by casting method.Their microstructures and dry sliding wear behaviors at room temperature and 100℃were particularly investigated.The results indicated that the Al3Ti phases in these composites were all in flaky form.But the aspect ratio of the Al3Ti platelets decreased with the increase of Ti content in the pure Al,Al-Cu and Al-Si matrix composites,in order of effectiveness.The effect of Si on the Al3Ti morphology seemed to be greater than that of Cu.The distributions of the Al3Ti platelets were different in the different matrix composites,leading to different grain refining effects.Except for the sub-wear regime of adhesive wear,the plastic deformation induced wear was a dominant wear mechanism for all of the composites at room temperature and 100℃.Increasing the testing temperature,decreasing the Al3Ti content or the hardness of materials could enhance these two wear mechanisms,and thus increase the wear rate.The Al-Cu matrix composite had the best wear resistance,while the pure Al matrix composite showed the worst for the same Ti content.These differences or changes were attributed to the differences in materials'hardness or the strengthening effects of the Al3Ti platelets. | Chen Tijun Li Jian Hao Yuan | 2009 | China Foundry2009，6，4： | 3 |
| 13 | Effect of Ti/B Additions on the Formation of Al_3 Ti of in situ TiB_2/Al Composites显示文摘ParticulatereinforcedMetalMatrixComposites(MMCs)showgreatpotentialforstrUctUralmaterialsduetotheirpromisingspecificstrengthandmodlllus.AmongthenumeroustechnologiesproducingparticulatereinforcedMMCs,thoseallowinginsituproductionofthereinforcementoffer... | Bin Yang Jishan Zhang Xianjin Duan Shuangchun Hu(State Key Laboratory for Advanced Metals and Materials, University of Science and ’Techno1ogy Beijing, Beding 100083, China) | 1999 | International Journal of Minerals,Metallurgy and Materials1999，13，4： | 3 |
| 14 | 原位增强相(TiB_2+Al_3Ti)形成的热力学分析显示文摘采用混合盐法制备了(TiB2+Al3Ti)/Al4.5Cu原位复合材料,对增强相的形成热力学进行了分析,并采用差热分析法(DTA)对混合盐反应体系的热量变化进行分析。结果表明,AlTiB三元体系中,TiB2的形成能力最强。但因[Ti]实际相对过剩,与Al结合形成Al3Ti,最终制得的复合材料中增强相为TiB2和Al3Ti;差热分析表明了混合盐体系加入到Al4.5Cu熔体中,可以发生原位反应,形成增强相。原位反应的开始温度为900℃,结束温度为1032℃。 | 梁艳峰 董晟全 杨通 | 2005 | 特种铸造及有色合金2005，25，7： | 3 |
| 15 | 原位生成Al_3Ti和TiB_2增强铝基复合材料的研究显示文摘采用原位反应法制备(Al3Ti+TiB2)/ZL101原位复合材料,测试其室温力学性能,并通过OPM、TEM观察其微观组织。结果表明,原位复合材料经过热处理后,抗拉强度、伸长率以及布氏硬度分别提高了30.9%、17.1%、29.6%。原位复合材料增强相TiB2和Al3Ti弥散分布在α-Al中,Al3Ti呈棒状,几乎与α-Al完全共格;TiB2呈粒状。(TiB2+Al3Ti)/ZL101原位复合材料强韧化的主要机制是细晶强化和弥散强化。 | 阴瑜娟 赵玉厚 夏永喜 | 2007 | 铸造技术2007，28，3： | 2 |
| 16 | 成分对热爆法合成Al-Ti-C的组织及细化效果的影响显示文摘采用铝熔体热爆法合成8种成分配比的Al-Ti-C晶粒细化剂。研究了按不同成分的Al∶Ti∶C比值进行配料、铝熔体温度为710℃合成Al-Ti-C晶粒细化剂的相组成、Al3Ti和TiC的形态及对工业纯铝的细化效果。XRD分析结果表明:随着预制块的Ti/C比值由高于1.5转为低于1.5,合成的晶粒细化剂由Al3Ti和Al两相组成转为由Al3Ti、TiC和Al三相组成,表明预制块中的Ti/C比值对合成的晶粒细化剂主要物相的组成有很大影响;合成的细化剂中Al3Ti呈块状分布;预制块的Ti/C为3/2时(即Al∶Ti∶C=3∶3∶2)合成的晶粒细化剂在8组细化剂中的细化效果最佳。这表明TiC和Al3Ti相对量及形态的恰当组合是晶粒细化剂优良细化能力的保证。 | 赵文军 刘贤斌 候运丰 夏天东 | 2007 | 铸造技术2007，28，3： | 2 |
| 17 | Valence electron structure analysis of refining mechanism of Sc and Ti additions on aluminum显示文摘The mechanism of the difference of refining effect between Sc and Ti adding to aluminum can not be explained substantially with traditional theory. Valence electron structures of Al-Ti and Al-Sc alloys have been studied by using the empirical electron theory of solids and molecules (EET). The covalent bond electron numbers and interfacial electron density differences are calculated. The conclusion is that, in the two alloys, different covalent bond electron numbers of nucleation particles, and different electron densities on the interface between the second phase particles and the matrix, fundamentally lead to the difference of refining effect between Sc and Ti adding to aluminum. | LI PieJie YE YiCong HE LiangJu | 2009 | Chinese Science Bulletin2009，54，5： | 2 |
| 18 | 复相Al_3Ti基合金的高温强化显示文摘报导了对 Al3Ti结合合金进行复相强化的研究 ,利用适量的 Nb合金化 ,在 L12 Al3Ti基体中形成分散的第二相 ,其室温和高温强度显著提高 ,韧性也有改善。改变制备工艺 ,使合金发生重有序和析出过程 ,形成具有高度弥散微粒的复相细晶组织 ,合金的室温和高温强度进一步提高。 | 张津徐 傅云义 孙坚 胡赓祥 | 2000 | 材料工程2000，28，11： | 2 |
| 19 | Vibration Effects on the Structural Stability of Al-Ti Intermetallics by First-principles Calculations显示文摘The structural stability of the intermetallics AlTi3,Al2Ti,Al3Ti4 and Al3Ti in the Al-Ti system has been investigated using density functional theory(DFT) and density functional perturbation theory(DFPT).The calculated ground-state convex hull is in agreement with the experimental researches.Al3Ti4(hP7) is metastable at 0 K and may be stabilized as the temperature increases due to the effects of the vibration entropy.For Al2Ti,r-Al2Ti is stable at 0 K and h-Al2Ti is stabilized by the vibration entropy at high temperatures.Al3Ti(tI16) is unstable considering vibration effects and Al3Ti(tI8) is the most stable structure at 0 K. | Hui Zhang and Shaoqing Wang Shenyang National Laboratory for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China | 2010 | Journal of Materials Science & Technology2010，26，12： | 2 |
| 20 | 灰铸铁表面原位合成TiC/Al_3Ti复合涂层的组织及耐磨性显示文摘采用铸造反应合成技术在灰铸铁表面原位合成TiC/Al3Ti复合涂层材料,对复合涂层的显微组织、硬度和耐磨性进行了研究。结果表明:Al-Ti-C体系完全反应后可制备出纯净的TiC/Al3Ti表面复合涂层材料,该表面复合材料组织致密,并随着涂层中TiC含量的增加,材料的硬度有所提高,表面复合涂层的硬度明显高于铁基体的硬度,磨损性能也要优于铁基体,明显改善了铸铁的表面硬度和摩擦性能。 | 阮鸿雁 沈琪 宋振达 | 2013 | 中国机械工程2013，24，16： | 1 |
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