After the mandrel is melted, a thin layer of alloy remains on the propellant surface.
此心轴溶化之后，在推进剂表面上留有一薄层的合金。
Electroplating: use the principle of electrolysis, the metal and alloy parts deposition in the surface, form even, density, good adhesion of the metal layer process.
电镀：利用电解原理，使金属或合金沉积在制件表面，形成均匀、致密、结合力良好的金属层的过程。
As the electroplating pure copper layer on copper alloy exceeds a critical thickness, the surface electroplating treatment can improve the copper alloy's resistance against oxidation failure greatly.
当铜合金表面的电镀纯铜层厚度超过一个临界值，表面电镀纯铜处理可以明显改善材料的耐氧化剥离性。
Electroplating is to use the principle of electrolysis in some metal surface plating a thin layer of the other metal and alloy process.
电镀就是利用电解原理在某些金属表面上镀上一薄层其它金属或合金的过程。
And dirty steel belt surface, impurity and Pb phase accumulation during alloy belt manufacture lead to worse adhesion between alloy layer and steel back.
而在合金带的生产过程中，钢带表面未清洗干净，存在杂质及铅相偏聚等，是导致合金层与钢背之间结合不良的主要因素。
It is researched the preparation of ceramic layer on the surface of M5 zirconium alloy by high-frequency induction oxidation process in active flow oxygen medium and in dry air.
在活性氧流动介质和干空气中，用高频感应氧化工艺在M5锆合金表面生成氧化锆陶瓷膜进行了研究。
The surface hardness, carburized structure and thickness of the carburized layer on the TiAl-alloy obtained through the different carburization technologies was studied.
试验研究了钛铝基合金离子渗碳后的渗层组织结构、渗碳温度和时间对渗层厚度、表面硬度的影响。
In order to deeply comprehend the wear regularity of chilled alloy cast iron tappet, the influence of surface layer microstructure on wear resistance was studied.
为了深入了解冷激合金铸铁气门挺杆的磨损规律，研究了冷激合金铸铁气门挺杆表层组织对耐磨性的影响。
The surface morphology of corrosion layer, corrosion products, structure and alloy elements of rust layer in natural city atmosphere were studied by metallographic observation, SEM and XRD.
主要采用金相、扫描电镜、X-射线衍射方法分析和探讨了初期腐蚀层形貌、腐蚀产物和合金元素的分布。
Microstructure refinement surface layer was obtained in TC4 Titanium Alloy surface treated by a high-energy shot peering (HESP) technique.
利用高能振动喷丸法对TC 4钛合金进行了表面细化的研究。
The worn layer of Al-Si alloy where only wear debris are going to delaminate is composed of composite layer, deformed layer and undeformed parent material from the surface to the inside.
即将发生粒子剥落的铝硅合金磨损表面区域，由表及里为复合层、变形层相未变形母体材料。
The surface layer of the alloy is fine grain region, its center is coarse grain region.
铸态合金表层为细晶粒区，心部为粗晶粒区。
After the mandrel is melted, a thin layer of alloy remains on the propellant surface.
轴溶化之后，在推进剂表面上留有一薄层的合金。
A layer of ceramic film is produced by micro plasma oxidation on the surface of ti alloy in order to improve its corrosion resistant property.
为提高钛合金的耐腐蚀性能，在其表面用微等离子体氧化法生长一层陶瓷膜。
The said method can compound alloy layer with high quality and adjustable thickness on the surface of casting with different shape.
本方法可以在不同形状的铸件表面复合合金层，保证了铸件合金层质量，合金层的厚度可以调节，因而有很强的适应性。
The surface or outer layer of a metal alloy.
金属合金的表面或外层。
The influence of alloy contents, sintering method and process parameters on the formation of surface layer deficient in cubic carbide has been studied.
研究了合金成分、烧结方式、工艺参数等对表层缺立方相碳化物形成过程的影响。
Objective:To investigate the effect of porcelain bake cycles on oxide layer formed on cobalt-chromium alloy surface.
结论：在所有烤瓷程序结束后，应将钴铬合金支架进行彻底打磨、抛光。
The invention relates to a copper alloy nickel-net magnetic composite, which is the integral belt structure rolled by stock belts in top and bottom surface layers and middle layer.
本发明铜合金镍网磁性复合材料是由上下表面层和中间层的原料带材复合轧制成一体的带材结构。
The external oxidation will lead to chromium dilution in the surface layer of alloy, and the internal oxidation will decrease the strengthening effect of solution and aging treatment.
外氧化使合金表面贫铬；内氧化将降低合金固溶时效强化效果。
The forming process of castchromized alloy layer on the surface of gray iron has been studied.
研究了铸铁表面铸渗铬合金层形成过程。
The relative thickness of alloy coating cake in mould is the key factor influencing thickness of alloyed layer on surface of casting.
铸型中合金膏块相对厚度是决定铸件表面合金层厚度的主要因素；
More attention was focused on the effects of osmosis on the deposition speed, compositions, surface structure properties of the simultaneously deposited Pd-Ag alloy top layer by electroless plating.
重点研究了渗透压对化学镀共沉积钯银的沉积速度、镀层组成和膜表面结构性能的影响。
The results indicate that the grains of the melted layer are refined and the properties of the surface of Mg alloy are obviously improved.
结果表明，熔凝区晶粒得到细化，镁合金表面的性能得到明显提高。
The results indicate that the grains of the melted layer are refined and the properties of the surface of Mg alloy are obviously improved.
结果表明，熔凝区晶粒得到细化，镁合金表面的性能得到明显提高。
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