Friction surface evolution of Ni-based superalloy with addition of revert at high temperature

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-07-08 DOI:10.1016/j.wear.2025.206240

Jiangshan Zhang , Kuo Zhang , Jiangtao Chen , Peng Zhao , Wei Liu , Zhengyi Jiang , Qing Liu , Shufeng Yang

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Abstract

Two types of superalloys, one containing 60 % revert and the other without revert, were dry-sliding tested to study the friction surface evolution behavior at 730 °C for 1, 15, 30 and 60 min respectively. Results show that adding revert contributes to higher wear-resistance and suppression of undersurface crack formation. The wear mechanism transitions from predominantly abrasive-adhesive wear to oxidative-adhesive wear over time. A sudden drop (about 40 %) in friction coefficient occurs within the initial 2.5 min. The oxide layer is discontinuous after 1 min of sliding test. After 15 min, a more fully developed oxide layer was observed, along with the enrichment of Al, Cr, and Ti. The wear debris undergoes repeated compaction and sintering, leading to the formation of a dense oxide layer. As the continuously sliding and compaction for 30/60 min, an internal oxide layer and an outer dense glaze-like structure are sequentially formed on the friction surface of sample with revert.

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镍基高温合金加入还原后摩擦表面的高温演化

对含60%还原和不含60%还原的两种高温合金进行了干滑动试验，分别研究了在730℃下1、15、30和60 min的摩擦表面演变行为。结果表明，加入复刻剂可以提高材料的耐磨性，抑制表面下裂纹的形成。随着时间的推移，磨损机制从主要的磨料粘合磨损转变为氧化粘合磨损。在最初的2.5 min内，摩擦系数突然下降（约40%）。在滑动试验1 min后，氧化层不连续。15min后，观察到氧化层发育更充分，Al、Cr和Ti富集。磨损碎屑经过反复压实和烧结，形成致密的氧化层。在30/ 60min的连续滑动压实过程中，试样的摩擦表面依次形成内部氧化层和外部致密的釉状结构。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.