Microstructure and elevated temperature wear behavior of HVOF-sprayed SS304L stainless-steel coating

被引：0
作者：
Medabalimi, Subbarao [1 ]
Gudala, Suresh [2 ]
Rokkala, Uzwalkiran [3 ]
Hebbale, Ajit M. [4 ]
Ramesh, M. R. [5 ]
机构：
[1] SR Univ, Dept Mech Engn, Warangal, Telangana, India
[2] Siberian State Ind Univ, Dept Mech & Mech Engn, Novokuznetsk, Russia
[3] Aditya Univ, Dept Mech Engn, Surampalem, India
[4] Nitte, NMAM Inst Technol NMAMIT, Dept Mech Engn, Udupi 574110, Karnataka, India
[5] Natl Inst Technol Karnataka, Dept Mech Engn, Surathkal, India
来源：
DISCOVER APPLIED SCIENCES | 2025年 / 7卷 / 05期
关键词：
HVOF Spraying; SS304L; Stainless-steel; Microstructure; Microhardness; High temperature wear; OXIDATION BEHAVIOR; FRICTION; LAYERS;
D O I：
10.1007/s42452-025-06904-7
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The paper aims to investigate the performance of the SS304L stainless steel coating on wear properties by varying load, temperature and velocity. Stainless-steel coatings were fabricated by high-velocity oxy-fuel spraying (HVOF) on superfer800. Surface morphology, elemental distribution and phase analysis were expressed by SEM, EDS, and XRD, respectively. The porosity, average surface roughness, and average microhardness of HVOF stainless steel coating are 2%, 7 mu m, and 1167 +/- 54 HV0.3, respectively. The wear rate of stainless-steel coating is 0.5 x 10(-3) mm(3)/m at 600 degrees C with 20 N loads, which is about 16 times lower than the substrate. Adhesion and abrasion are the main wear mechanisms of HVOF stainless steel coatings during high-temperature tests. Comparing to superfer800 substrate, stainless steel coatings showed superior wear resistance at all the loads, temperature and velocities.
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页数：10
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