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| 1 | 选区激光熔化成形颗粒增强铝基复合材料综述显示文摘选区激光熔化(SLM)是一种新兴逐层增材制造技术,能够生成具有三维复杂结构的高性能构件。颗粒增强铝基复合材料(PAMCs)由于结合铝基体和增强相的优异特性在很多领域被认为是一种重要材料。基于SLM和PAMCs的综合优势,新型SLMPAMCs在近年来被陆续开发和研究。因而,本文总结当前有关SLMPAMCs的研究进展。首先,着重分析SLM PAMCs的凝固行为。其次,对高性能SLM PAMCs设计和制造中涉及的重要问题进行全面的讨论,其中包括增强相的选择、工艺参数对成形和微观结构的影响以及缺陷演变和相调控。第三,对SLM PAMCs的性能和增强机制进行系统讨论。最后,对高性能SLM PAMCs未来发展方向提出建设性的观点。 | 王沛 Jürgen ECKERT Konda-gokuldoss PRASHANTH 吴明伟 Ivan KABAN 席丽霞 Sergio SCUDINO | 2020 | Transactions of Nonferrous Metals Society of China2020，30，8： | 29 |
| 2 | Effect of Powder Particle Shape on the Properties of In Situ Ti–TiB Composite Materials Produced by Selective Laser Melting显示文摘This work studied the preparation of starting powder mixture influenced by milling time and its effect on the particle morphology(especially the shape) and, consequently, density and compression properties of in situ Ti–Ti B composite materials produced by selective laser melting(SLM) technology. Starting powder composite system was prepared by mixing 95 wt% commercially pure titanium(CP-Ti) and 5wt% titanium diboride(TiB 2) powders and subsequently milled for two different times(i.e. 2 h and 4 h).The milled powder mixtures after 2 h and 4 h show nearly spherical and irregular shape, respectively.Subsequently, the resultant Ti–5 wt% TiB 2 powder mixtures were used for SLM processing. Scanning electron microscopy image of the SLM-processed Ti–Ti B composite samples show needle-shape TiB phase distributed across the Ti matrix, which is the product of an in-situ chemical reaction between Ti and TiB 2during SLM. The Ti–Ti B composite samples prepared from 2 h and 4 h milled Ti–TiB 2 powders show different relative densities of 99.5% and 95.1%, respectively. Also, the compression properties such as ultimate strength and compression strain for the 99.5% dense composite samples is 1421 MPa and 17.8%, respectively, which are superior to those(883 MPa and 5.5%, respectively) for the 95.1% dense sample. The results indicate that once Ti and TiB 2 powders are connected firmly to each other and powder mixture of nearly spherical shape is obtained, there is no additional benefit in increasing the milling time and, instead, it has a negative effect on the density(i.e. increasing porosity level) of the Ti–Ti B composite materials and their mechanical properties. | Hooyar Attar Konda G.Prashanth Lai-Chang Zhang Mariana Calin Ilya V.Okulov Sergio Scudino Chao Yang Jürgen Eckert | 2015 | Journal of Materials Science & Technology2015，31，10： | 12 |
| 3 | Ultrasound Doppler system for two-dimensional flow mapping in liquid metals显示文摘 | Sven Franke Lars Büttner Jürgen Czarske Dirk R?biger Sven Eckert | 2010 | Flow Measurement and Instrumentation2010，，3： | 3 |
| 4 | New para-magnetic(CoFeNi)(50)(CrMo)(50-x)(CB)x(x=20,25,30)non-equiatomic high entropy metallic glasses with wide supercooled liquid region and excellent mechanical properties显示文摘In this study,high entropy metallic glasses(HEMGs)were developed through a combination of concepts for designing metallic glasses(main element+transition metal+metalloid element)and high-entropy alloys(more than five elements,each element having an atomic concentration between 5 at.%and 35 at.%).The developed metallic glass alloys are composed of Co-Fe-Ni main elements,transition metals(Cr,Mo)and metalloid elements(C,B).Moreover,the present work reports the thermal,mechanical and magnetic properties of(CoFeNi)(50)(CrMo)(50-x)(CB)x alloys with x=20,25,30.The developed as-spun HEMGs exhibit typical paramagnetic properties even for a high amount of ferromagnetic elements(Co,Fe,and Ni)and have high elastic modulus(103–160 GPa)and hardness(14–27 GPa),thus possessing mechanical properties similar to well-known Co-based metallic glasses(Co-Cr-Mo-C-B system).In addition,some of the bulk samples prepared with a diameter of 2 mm form bulk metallic glasses with a high compressive strength around 3.5 GPa.The mechanisms determining the stability of the supercooled liquid,as well as the paramagnetic and mechanical properties for the developed non-equiatomic HEMGs,are discussed. | Jeong Tae Kim Sung Hwan Hong Jin Man Park Jürgen Eckert Ki Buem Kim | 2020 | Journal of Materials Science & Technology2020，36，8： | 3 |
| 5 | Ti−8Al−1Mo−1V合金等轴α相的静态粗化行为显示文摘为深入了解Ti−8Al−1Mo−1V钛合金等轴α相在退火过程中的演变行为,基于粗化指数n及α界面迁移激活能的计算对其静态粗化机制进行研究。n=6的结果表明,等轴α相具有特殊的粗化机制。计算得到的α界面迁移激活能为138 kJ/mol,接近纯钛的晶粒长大激活能。这表明等轴α的粗化主要是由钛原子穿越α/α界面的自扩散导致。基于研究结果,建立等轴α相在α+β相区的静态粗化动力学模型。最后,分析等轴α相粗化行为对拉伸性能的影响。 | 石晓辉 曹祖涵 范智渊 Jürgen ECKERT 乔珺威 | 2021 | Transactions of Nonferrous Metals Society of China2021，31，6： | 2 |
| 6 | Relative fitness of imazalil- resistant and-sensitive biotypes of Penicillium digitatum 显示文摘 | HOLMES G J ECKERT J W | 1995 | Plant Dis1995，79，： | 1 |
| 7 | Formation of amorphous alloys with significant supercooled liquid region by mechanical alloying 显示文摘 | Eckert J Seidel M Schultz J | 1996 | J Non-Crystalline Solids1996，，： | 1 |
| 8 | High strength magnesium-based glass matrix composites显示文摘 | BARTUSCH B SCHURACK F ECKERT J | 2002 | Mater Trans JIM2002，43，： | 1 |
| 9 | Ti-based Nano-structure-dendrite Composite with Enhanced Plasticity显示文摘 | G He J Eckert W Loeser L Novel | 2003 | Nature Mater2003，2，1： | 1 |
| 10 | Hydrogen storage in microporous metal-organic frameworks 显示文摘 | Rosi N L Eckert J Eddaoudi M | 2003 | Science2003，300，： | 1 |
| 11 | Mechanical properties of bulk metallic glasses显示文摘 | YAVARI A R LEWANDOWSKI J J ECKERT J | | 0，，8： | 1 |
| 12 | Mechanically driven al- loying and grain size change in nanocrystalline Fe-Cu powders 显示文摘 | Eckert J Holzer J C Krill Ill C E | 1993 | Journal of Applied Physics1993，73，6： | 1 |
| 13 | Hydrogen stor- age in microporous metal-organic frameworks 显示文摘 | Rosi N L Eckert J Eddaoudi M | 2003 | Sci- ence2003，300，： | 1 |
| 14 | Long term postischemie stroke mortality in diabetes: a veteran cohort analysis 显示文摘 | Kamalesh M Shen J Eckert GJ | 2008 | Stroke2008，39，10： | 1 |
| 15 | Phylogeny, historical biogeography and patterns of diversification for Pinus(Pinaceae):Phylogenetic tests of fossilbased hypotheses显示文摘 | Eckert A J Hall B D | 2006 | Molecular Phylogenetics and Evolution2006，40，1： | 1 |
| 16 | How tower packings behave 显示文摘 | Eckert J S | 1975 | Chemical Engineer1975，3，4： | 1 |
| 17 | How tower packings behave显示文摘 | Eckert J S | 1975 | Chemical Engineer1975，3，4： | 1 |
| 18 | Influence of oxygen on the viscosity of Zr-Al-Cu-Ni metallic glasses in the undercooled liquid region 显示文摘 | KUBLER A ECKERT J GEBERT A SCHULTZ L | 1998 | J Appl Phys1998，83，6： | 1 |
| 19 | Plst havest disease of fresh fruits and vegetables 显示文摘 | Eckert J W | 1978 | Journal of Food Biochemistry1978，，2： | 1 |
| 20 | Reduction of chromium (VI) at sub-μg 1-1 levels by fulvic acid 显示文摘 | ECKERT J M STEWART J J WAITE T D SZYMCZAK R WILLIAMS K L | 1990 | Analytica Chimica Acta1990，236，： | 1 |
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