共搜索到78488条信息,每页显示10条信息,共7849页。用时:0小时0分0秒472毫秒
含量略高于1号和2号铸锭的Al含量,这是由两方面的原因造成的:1) 3号铸锭实验原料配比中单质铝的比例(Al-V合金中Al质量分数为46%)低于另外两个实验;2) 3号铸锭熔炼过程中精炼区及凝固区电子束电流相应有所降低. 表3 TC4铸锭化学成分对比 Table 3 Chemical composition comparison of TC4 alloy ingot 图... Jun, HAN Ming-cheng, YANG Jian-chao, NI Pei-tong, ZHAO Yong-qing. Calculation of Al evaporation loss of TC4 alloy during electron beam cold hearth remelting process[J]. Rare Metal Materials......
, bundles of entangled CNTs are found, as shown in Fig. 7(a), whereas Fig. 7(b) shows some CNTs dispersed on the surface of Al alloy powder. Carbon nanotubes are observed being embedded between... to the small amount of CNTs addition. Key words: CNTs; Al matrix composite; mechanical milling; microstructure 1 Introduction Particulate-reinforced metal matrix composites (MMCs) have the potential......
is dependent on their mechanical properties and variation of the mechanical properties during PTCAP process. Key words: energy absorption; Al 5083; ultra-fine grained aluminum alloy; thin-walled tube..., while they remained approximately constant for the aluminum tubes. LINUL et al [9] studied the effect of temperature on the mechanical behavior of closed- cell aluminum-alloy foam-filled tubes (FFTs......
J. Cent. South Univ. (2018) 25: 2049-2057 DOI: https://doi.org/10.1007/s11771-018-3894-5 Determination of key parameters of Al–Li alloy adhesively bonded joints using cohesive zone model YUAN Shun... propagation in an Al–Li alloy patch-reinforced structure. This paper proposes a method to determine the key parameters of the adhesive layer of adhesively bonded joints in the Al–Li alloy patch-reinforced......
Effect of pouring temperature on semi-solid slurry of A356 Al alloy prepared by weak electromagnetic stirring LIU Zheng(刘 政) 1, 2, MAO Wei-min(毛卫民)1, ZHAO Zheng-duo(赵振铎)1 1...; Abstract: The semi-solid slurry of A356 Al alloy was manufactured by low superheat pouring and weak electromagnetic stirring. The effects of pouring temperature on the slurry......
alloy (wt%) Table 2 Chemical composition of B4C (wt%) After the ball milling process, a vacuum glove box (O2 content<1×10-6) was used when the blended powder was placed into graphite dies... of matrix particles to a uniform distribution at the Al matrix after HER, which is vital to the strengthening of nano-sized particle-reinforced metal matrix composites; 2) HER refines the Al grains......
Article ID: 1003-6326(2005)05-1067-05 Joining of SiCp/Al composites by insert powder layers HUANG Ji-hua(黄继华), DONG Yue-ling(董月铃), WAN Yun(万 云), ZHANG Jian-gang(张建纲), ZHOU Guo-an(周国安... to reactive diffusion bond SiCp/6063 MMC. The results show that SiCp/6063 MMC joints bonded by the insert layer of the mixed Al-Si powder have a dense joining layer with a typical hypoeutectic......
-effective compared to other ceramic whiskers [4-6]. Metal matrix composites are generally fabricated by two different routes, either by casting process or by powder metallurgy. The casting processes offer... reinforcement/matrix interface reaction and poor wettability of the ceramic reinforcing phase in the metal matrix. These demerits of casting route can be overcome by powder metallurgy route. The whisker......
Y, QIAO Z, KANG J. Alumina powder assisted carbon nanotubes reinforced Mg matrix composites[J]. Materials and Design, 2014, 60: 637-642. [8] 易健宏, 鲍 瑞, 李才巨, 沈 韬, 刘意春, 陶静梅, 谈松林, 游 昕. 碳纳米管增强Cu和Al基复合材料的研究...DOI:10.19476/j.ysxb.1004.0609.2017.06.015 Fe掺杂碳纳米管吸附Al原子的第一性原理研究 代利峰1,刘 涛2,龚 亮1,常春蕊2,安立宝1 (1. 华北理工大学 机械工程学院,唐山 063009; 2. 华北理工大学 理学院,唐山 063009) 摘 要:采用第一性原理对Al原子在本征(5,5)型及Fe掺杂(5,5)型碳......
J. Cent. South Univ. (2021) 28: 1111-1128 DOI: https://doi.org/10.1007/s11771-021-4684-z Effects of tantalum addition on microstructure and properties of titanium alloy fabricated by laser powder... Jian, HE Jian-jun, LI Wei, HUANG Wei-ying, NIU Yan, YUAN Tie-chui. Effects of tantalum addition on microstructure and properties of titanium alloy fabricated by laser powder bed fusion [J]. Journal......