Scholarlink

<p>Metal doping of diamond-like carbon (DLC) coatings has emerged as a strategic approach to overcome intrinsic limitations such as high residual stress, poor adhesion to metallic substrates, and limited wear resistance under harsh conditions. Transition metals including titanium (Ti), aluminum (Al), niobium (Nb), vanadium (V), tungsten (W), and chromium (Cr), as well as secondary dopants like cobalt (Co), molybdenum (Mo), silver (Ag), and tantalum (Ta), have been extensively studied for their ability to modify bonding configurations, promote carbide formation, and optimize tribomechanical behavior. Experimental findings have revealed significant enhancements in hardness, friction reduction, adhesion strength, and corrosion resistance, with outcomes strongly dependent on dopant type, concentration, and deposition parameters. Specific dopants contribute uniquely: Ti and W facilitate tribolayer formation; Cr and Nb improve adhesion and electrochemical performance; Al and Ag offer surface energy control and antimicrobial activity. Co-doping strategies and nanocomposite architectures further expand the functional scope of DLC films. This review interprets these trends from a structure–property perspective, highlighting comparative performance among various dopants. The synthesis of mechanistic insights and application-driven results aims to support the rational design of advanced DLC coatings for biomedical, tribological, and electronic applications.</p> Graphical Abstract <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

A Review on Metal-Doped Diamond-Like Carbon Coatings: Bonding Structure, Mechanical Performance, and Functional Properties

  • 期刊论文

  • 发表日期：

    2026年3月30日

查看全文
  • Görkem Yumuşak,
  • Bahadır Tunaboylu

摘要

Metal doping of diamond-like carbon (DLC) coatings has emerged as a strategic approach to overcome intrinsic limitations such as high residual stress, poor adhesion to metallic substrates, and limited wear resistance under harsh conditions. Transition metals including titanium (Ti), aluminum (Al), niobium (Nb), vanadium (V), tungsten (W), and chromium (Cr), as well as secondary dopants like cobalt (Co), molybdenum (Mo), silver (Ag), and tantalum (Ta), have been extensively studied for their ability to modify bonding configurations, promote carbide formation, and optimize tribomechanical behavior. Experimental findings have revealed significant enhancements in hardness, friction reduction, adhesion strength, and corrosion resistance, with outcomes strongly dependent on dopant type, concentration, and deposition parameters. Specific dopants contribute uniquely: Ti and W facilitate tribolayer formation; Cr and Nb improve adhesion and electrochemical performance; Al and Ag offer surface energy control and antimicrobial activity. Co-doping strategies and nanocomposite architectures further expand the functional scope of DLC films. This review interprets these trends from a structure–property perspective, highlighting comparative performance among various dopants. The synthesis of mechanistic insights and application-driven results aims to support the rational design of advanced DLC coatings for biomedical, tribological, and electronic applications.

Graphical Abstract