Factors affecting the progressive development of wear-protective oxides on iron-base alloys during sliding at elevated temperatures
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Cited by (60)
Understanding and modelling wear rates and mechanisms in fretting via the concept of rate-determining processes - Contact oxygenation, debris formation and debris ejection
2021, WearCitation Excerpt :It is well known that in fretting at elevated temperatures, stable, coherent layers of sintered wear debris have been observed in numerous experimental investigations, with these being termed “glaze layers” due to their smooth, glassy appearance [12–18]. The formation of glaze layers has been reported to be dependent on a number of factors, including displacement amplitude [13], fretting frequency [19] and relative proportions of alloying elements [20], but above all to be highly dependent on the environmental temperature [12,14,19,21,22], with glaze layers only being observed to form at elevated temperatures. The formation of a glaze layer is typically associated with a significant reduction in wear rate such that wear almost entirely ceases, and it is argued that this change in wear regime points to the need to consider the sintering of debris in predictive modelling of wear rates.
Nanocrystalline glaze layer in ceramic-metallic interface under fretting wear
2016, Surface and Coatings TechnologyInfluence of carbon-based solid lubricant on fretting wear response for alumina-based ceramics versus cobalt superalloy contact
2015, Surface and Coatings TechnologyCitation Excerpt :The present paper aims at studying the tribological behavior and the physicochemical phenomena generated for both alumina-base ceramics versus cobalt-base alloy contact, lubricated or not, under fretting wear conditions at high temperatures. The issue of friction and wear at high temperatures has been widely studied in the past decades, especially for metal–metal interfaces [4–6]. It is commonly accepted that near the contact surface, complex phenomena such as plastic deformation and mixing of particles in the interface occur to create a physically and chemically modified layer, sometimes called mechanically mixed layer (MML) [7] or tribologically transformed layer [8] when emphasis is put on material recrystallization.
Tribology of NiCrAlY+Al<inf>2</inf>O<inf>3</inf> composite coatings by plasma spraying with hybrid feeding of dry powder+suspension
2015, WearCitation Excerpt :The scale is indeed fully dense, without recognisable particles, and, particularly in its lower portion, it encompasses bright, non-oxidised remains of the NiCrAlY alloy (Fig. 14F and H: label 1) and non-fragmented Al2O3 reinforcement (Fig. 14F and H: label 2). These observations indicate that the scale grows by direct tribo-oxidation of the NiCrAlY metal, a process which has indeed been documented various times in the literature [62,63]. Wear proceeds by the periodic cracking, spallation and regeneration of the “glaze” film, which indeed contains visible microcracks (Fig. 14E–H).
Dry sliding wear of an induction-hardened, high-silicon medium-carbon microalloyed steel
2015, Tribology International