Friction and Wear Performance of CoCrFeMnNiW Medium-Entropy Alloy Coatings by Plasma-Arc Surfacing Welding on Q235 Steel,Self-healable Nafion-poly(vinyl alcohol)/phosphotungstic acid proton exchange membrane prepared by freezing–thawing method for direct methanol fuel cell | Journal of Solid State Electrochemistry,Friction and Wear Performance of CoCrFeMnNiW Medium-Entropy Alloy Coatings by Plasma-Arc Surfacing Welding on Q235 Steel,Self-healable Nafion-poly(vinyl alcohol)/phosphotungstic acid proton exchange membrane prepared by freezing–thawing method for direct methanol fuel cell | Journal of Solid State Electrochemistry,Reactive Oxygen Species in Inflammation and Tissue Injury | Antioxidants & Redox Signaling,