The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
研究了纯镍铸铁焊条冷焊时，稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律，并分析了铈对焊接接头力学性能和加工性能的影响。
The wear mechanism of the nano-composite coatings were mainly fatigue wear and that of the pure nickel coating was mainly adhesion wear.
纳米复合镀层的磨损机制以疲劳磨损为主，而纯镍镀层以粘着磨损为主。
A pure nickel coating and n-Al2O3/Ni composite coating were prepared.
制备了纯镍刷镀层和镍基纳米氧化铝复合刷镀层。
The results show that pure aluminium, iron and nickel are relatively good for such electrical leads, and optimization of the geometrical parameter of the leads is more significant than…
结果表明，铝、铁和镍等纯金属材料作电流引线较好，但是引线最佳尺寸的选择比材料的选择更为重要。
The pure nickel nanopowders were prepared by DC arc plasma evaporation method using self-designed and fabricated experimental apparatus.
采用自行研制的试验装置，用直流电弧等离子体蒸发法制备了高纯度的纳米镍粉。
Surface coking morphology of pure nickel and its correlative factors were investigated systematically.
系统研究了丙烷裂解过程中纯镍表面的结焦形貌及其影响因素 。
The welding properties and its impact factors of pure nickel is analyzed.
纯镍的焊接性能及其影响因素。
The welding properties and its impact factors of pure nickel is analyzed.
纯镍的焊接性能及其影响因素。
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