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]. 摩擦学学报, 2011, 31(4): 317-322. CHEN Kangmin, WANG Lan, WANG Shuqi, et al. Oxidative wear behavior of H13 steel[J]. Tribology, 2011, 31(4): 317-322. [12] QUINN T F J. The oxidational wear of low alloy......
is higher than 22 wt%, the fluidity of the slag obviously increases. When the B2O3 content is 24 wt%, the slag sample completely melts and wets the surface of substrate Fe–Cr–Al alloy plate. All......
]. As a consequence, a promising improvement on the cutting performance of BDD coated tools is observed in turning high silicon aluminum alloy materials [5,9,10] and milling graphite [8]. However, the high... behavior of CVD diamond in microchannels of Cu template [J]. Transactions of Nonferrous Metals Society of China, 2015, 25: 2009-2017. [13] XIAO X, SHELDON B W, QI Y, KOTHARI A K. Intrinsic stress......
of intermetallic compounds in Al/Cu bimetal produced by cold roll welding process[J]. Journal of Alloys and Compounds, 2001, 319(1): 233-241. [5] 王延辉, 高 飞, 宋宝韫．铝包钢线的性能特点及其应用分析[J]. 电线电缆, 2001(5): 6-9...]. Aluminium Fabrication, 1993, 16(3): 2-9. [15] BAKER H. ASM handbook: Alloy phase diagrams (vol.3)[M]. Materials Park, Ohio: ASM International, 1992. Influences of preparing parameters on surface......
and coating with different Co contents 图2(a)所示为3种不同Co含量喷涂粒子的XRD谱.由于单质Co可以强烈地吸收X射线衍射仪中Cu靶发出的特征X射线,导致背底增高,以及由于球磨和喷涂过程中非晶的产生导致XRD谱中Co的峰值强度不明显[24-26].除Co外,喷涂粒子主要由FeB和Fe2B相构成,且随着Co含量的提高,FeB的峰值逐渐降低.图2(b)所示为不同Co含量... by HVOF spraying against erosion by molten Al-Zn alloy[J]. Journal of Thermal Spray Technology, 2007, 16(3): 404-413. [8] ZHANG J, DENG C, SONG J, DENG C, LIU M, ZHOU K. MoB-CoCr as alternatives......
素质量分数为61.18%,O元素质量分数为38.82%,则O与Cr摩尔比为2.06,与β-CrOOH 中O与Cr的理论摩尔比相符,进一步说明生成的产物为β-CrOOH.此外,EDX谱中所出现Na峰和Cu峰分别由反应残留物以及碳膜铜网所致. 产物的形貌结果表明所得到的β-CrOOH是粒径大小十分均一的纳米花(见图2(a)),高倍透射电镜结果可进一步发现均一纳米花状的β-CrOOH是由许多超薄纳米晶片...到熟料,铬铁矿中Fe,Mg等碱性氧化物以不溶组分进入渣相,Cr,Al,V分别形成Na2CrO4,NaAlO2,NaVO3可溶性组分进入中和液中.针对中和液中的钒杂质,多采用钙化沉钒[2]脱除方法.就是在中和除铝的基础上,加入过量的CaO(理论添加量的10~13倍),使溶液中的钒以钒酸钙沉淀的形式被脱除；然后,再次加入Na2CO3除去多余的Ca2+,得到净化后的Na2CrO4溶液,用以进一步生产铬盐......
J. Cent. South Univ. (2018) 25: 1033-1042 DOI: https://doi.org/10.1007/s11771-018-3803-y Thermodynamics, kinetics and mechanism analysis of Cu(II) adsorption by in-situ synthesized struvite crystal... of Springer Nature 2018 Abstract: Synthesized struvite was innovatively applied to removing Cu(II) from aqueous solution. The Cu(II) adsorption behavior and relative mechanisms were studied and analyzed......
组成,膜基结合力,硬度等基础性能的影响,并在大气环境下进行摩擦实验,研究溅射靶电流对薄膜摩擦磨损性能的影响,为进一步优化WC/a-C:H薄膜工艺提供指导. 1 实验 1.1 样品制备 实验选用316不锈钢(30 mm×20 mm×2 mm)和抛光的单晶硅片(100)作为衬底材料,为缓解薄膜内应力,采用Cr→WC→WC/a-C:H的梯度结构进行沉积.利用Hauzer公司生产的...器波长为 532 nm,扫描范围为 900~1900 cm-1；XRD采用Cu靶Kα射线(λ=0.154 nm,40 kV,40 mA),扫描范围为10°~90°.通过透射电子显微镜(FEI Tecnai TF20)观察晶体结构,最小分辨率为0.23 nm.采用美国MTS公司生产的G200纳米压入仪以连续刚度法对薄膜硬度,弹性模量进行测试.其中,测试压头为Berkovich压头并配备连续测试选项......
on tin bismuth alloy plating[J]. Journal of Materials Protection, 2004, 37(8): 24-25, 59. [17] 常宏涛, 季尚军, 李 梅, 柳召刚, 张福顺. 超声波作用下溶剂萃取法分离镧铈元素[J]. 化工进展, 2014, 33(1): 169-186. CHANG Hong-tao, JI Shang-jun, LI......
-qing, XIE Xiang-yun, LU Jian-sheng, ZHOU Yun, LIU Rong-pei. Sound absorption properties of ZA27 alloy foams with particular pore structures [J]. Chinese Journal of Nonferrous Metals, 2014, 24(11......
