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首页> 外文会议>2003 International Thermal Spray Conference Vol.1; May 5-8, 2003; Orlando, Florida, USA >Development and Implementation of HVOF WC/Co/Cr Coating as Alternative to Electrolytic Hard Chrome Plate in Landing Gear Applications Using Natural Gas as Fuel
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Development and Implementation of HVOF WC/Co/Cr Coating as Alternative to Electrolytic Hard Chrome Plate in Landing Gear Applications Using Natural Gas as Fuel

机译：HVOF WC / Co / Cr涂层在以天然气为燃料的起落架应用中替代电解硬铬板的开发和实施

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摘要

Replacement of Electrolytic Hard Chrome plating (EHC) using High Velocity Oxygen Fuel (HVOF) thermal spray processes to apply dense, wear and corrosion resistant coatings has been identified as a significant goal for the advancement and growth of the thermal spray industry for several years. This paper will provide some details of the development and production implementation of a WC-Co-Cr coating to be used as an alternative to EHC. WC-Co-Cr has been demonstrated in most situations to be superior to the wear performance of EHC with respect to providing functionality in aircraft landing gear hydraulic seal and bearing service. The developed coating is produced via the HVOF process using natural gas as fuel. EHC alternatives using WC-Co-Cr HVOF coatings require significant development prior to implementation into practice. Suitable wear, corrosion and lack of fatigue debit are examples of a few critical properties of coatings for use in landing gear applications. In addition a brief description of the production implementation of a turnkey spray cell for the coating of landing gears will be provided in this paper.
机译：使用高速氧气燃料（HVOF）热喷涂工艺替换致密，耐磨和耐腐蚀涂层的电解硬铬镀层（EHC）已被确定为多年来热喷涂行业发展的重要目标。本文将详细介绍WC-Co-Cr涂层的开发和生产实施情况，该涂层可替代EHC。在提供飞机起落架液压密封和轴承服务功能方面，WC-Co-Cr在大多数情况下均被证明优于EHC的磨损性能。显影后的涂层是通过HVOF工艺使用天然气作为燃料生产的。使用WC-Co-Cr HVOF涂层的EHC替代品在实施之前需要进行重大开发。适当的磨损，腐蚀和缺乏疲劳扣损是用于起落架应用的涂料的一些关键性能的示例。此外，本文还将简要介绍用于覆盖起落架的交钥匙喷涂室的生产实施情况。

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