Amorphous carbon coatings

Jyh Ming Ting, Wan Yu Wu, Sahendra Pal Sharma, James Chien Min Sung, Ming Chi Kan

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Carbon is a unique element that forms a great variety of crystalline and disordered structures due to its ability to form three hybridizations. Although the most well-known carbon materials are perhaps the crystalline diamond and graphite, amorphous carbons (a-C) are also known for their applications in many technical elds. Amorphous carbon coatings have drawn and continue to draw huge scientic, technological, and industrial interests. These coatings were rst developed in the early 1950s and later emerged as one of the most valuable engineering materials due to their use in a wide variety of elds including tribology, microelectronics, optics, manufacturing, transportation, and biomedicine. This chapter presents various aspects and developments related to amorphous carbon coatings. It starts with an introduction of amorphous carbon coatings, and describes their classication and the different techniques extensively used for their preparation. In order to examine the characteristics of the coatings produced, various techniques for their characterization have been described afterward. One of the important applications of amorphous coating is in tribology where hardness is the essential requirement. However, hardness is also accompanied by stresses, resulting in a poor or an undesirable adhesion of the a-C coatings to substrates. The undesirable stress and the poor adhesion limit the practical applications. Therefore, stress relaxation is discussed. Also, in the context of tribology, uorinated amorphous carbon coating is introduced. At the end, various applications of amorphous carbon coatings are described.

Original languageEnglish
Title of host publicationNanostructured Thin Films and Coatings
Subtitle of host publicationMechanical Properties
PublisherCRC Press
Pages357-425
Number of pages69
ISBN (Electronic)9781420094039
ISBN (Print)9781420094022
DOIs
Publication statusPublished - 2010 Jan 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Materials Science(all)

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