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首页> 外文会议>International Conference on Manufacturing Science and Technology >Physical - Mechanical Characterization Applied to the Adhesion of Electrolytic Metal Chromium Plating on Bus Rims Surfaces
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Physical - Mechanical Characterization Applied to the Adhesion of Electrolytic Metal Chromium Plating on Bus Rims Surfaces

机译：物理 - 力学表征应用于电解金属镀铬镀铬镀铬镀层

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摘要

This experimental investigation evaluates the adherence of metal chromium plating on SAE -1026 cold-formed carbon steel surfaces for bus rims, the test-pieces were prepared in compliance with the ASTM-B456 standard regarding their size and surface. The study involves varying the parameters of the coating process, such as time, temperature and voltage, with the selection of critical tests that influence the adhesion of chromium plating such as: adhesion test where the strength with which the metallic coating is bonded to another surface was obtained based on ASTM D 3359-09, Vicker hardness test with the resistance that the material exhibits against permanent deformation established by ASTM B578-87, thickness test in the coating of metal substrates applying ASTM B456 and corrosion test by subjecting the surface to acetic salt mist (AASS) under strict preparation, cleaning and evaluation of ASTM G46-94. The optimal results discovered are 60 min. 40 °C and 7V in the nickel bath and 2min. 15 °C and 6V in chrome. In order to improve the results obtained from the experiments, the proposal is to cover with a layer of alkaline copper coating, reducing the anti-corrosion and adhesion properties.
机译：该实验研究评估了金属镀铬对SAE -1026冷成型碳钢表面的粘附性，用于总线轮辋，符合其尺寸和表面的ASTM-B456标准制备试验片。该研究涉及改变涂覆过程的参数，例如时间，温度和电压，选择影响铬镀粘粘附的临界试验，例如：粘附试验，其中金属涂层粘合到另一个表面的强度基于ASTM D 3359-09获得的，VICKER硬度试验具有抗ASTM B578-87建立的永久变形的阻力，在涂覆ASTM B456的金属基材涂层中厚度试验和通过对表面进行乙酸的腐蚀试验盐雾（AASS）在严格的制备，清洁和评估ASTM G46-94。发现的最佳结果是60分钟。镍浴中40°C和7V和2min。铬15°C和6V。为了改善从实验获得的结果，该提案是用一层碱性铜涂层覆盖，降低抗腐蚀和粘附性。

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