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DTIC ADA301987: Evaluation of Corrosiveness, Oxidation, and Wear Pr... |
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by Defense Technical Information Center |
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This document outlines a laboratory study to define the |
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interrelated parameters of degradation and wear of |
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contacts lubricated with various hydraulic fluids, with |
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particular reference to chlorotrifluoroethylene (CTFE). |
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The results rank the likely wear, corrosiveness, and |
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oxidation properties of CTFE in comparison to currently |
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used silicone-, polyalphaolefin-, and mineral oil-based |
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fluids. articular attention was given to the metallurgy |
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of critical components specific to the gun recoil brake |
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mechanism. In general, the antiwear characteristics of |
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the CTFE fluid were found to be similar to those of |
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petroleum but marginally inferior to polyalphaolefin- |
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based oils. However, CFTE produced severe corrosion of |
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each of the major components in brass at temperatures |
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above approximately 135 deg C. As a result, operation at |
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very high temperatures is likely to cause unacceptable |
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material removal from copper-based metallurgies. The |
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report also details the results of tests performed to |
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define the lubricating characteristics of a low viscosity |
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polyalphaolefin-based single hydraulic fluid, intended to |
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allow operation in low temperatures. The results indicate |
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good boundary lubricating characteristics with the |
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expected reduction in hydrodynamic lift. jg p3 |
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Date Published: 2018-03-25 16:58:02 |
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Identifier: DTIC_ADA301987 |
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Item Size: 100467369 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Lacey, P. I.; SOUTHWEST... |
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