Influence of Graphite Morphology on Hyperthermal Friction and Wear Behaviors of Aluminum-high Silicon Alloys
Source abstract
Abstract
The purpose of this paper is to explore the lubrication of graphite of different morphology in Al-Si alloys, especially at high temperatures.In this work, aluminum-silicon alloys with different graphite particles are prepared by powder metallurgy, and the effect of graphite morphology on friction and wear behaviors are investigated under a hyperthermal environment. The volumetric wear loss results denote that Al-27Si with faked graphite composites perform superior wear resistance than Al-27Si and Al-27Si with particle graphite composites under all test temperatures points. Due to the weak bonding of particle graphite, Al-27Si with particle graphite has the most volume wear loss. When the temperature rises to 400 ℃, the friction coefficient of all the samples has a strong wave with big fluctuation because of aluminum matrix soften and vibration. In this work, to make up for the lack of performance at high temperatures, the Al-27Si alloy was prepared successfully, which makes it possible to evaluate the required performance of the engine.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties · MXene and MAX Phase Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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