Anisotropic super-hardness of hexagonal WB2±z thin films

C. Fuger; R. Hahn; L. Zauner; T. Wojcik; M. Weiss; A. Limbeck; O. Hunold; P. Polcik; H. Riedl

doi:10.1080/21663831.2021.2021308

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Anisotropic super-hardness of hexagonal WB2±z thin films

Original Reports | 更新时间：2026-08-19

- Anisotropic super-hardness of hexagonal WB2±z thin films
- Anisotropic super-hardness of hexagonal WB2±z thin films
- 材料研究快报（英文） 2022年10卷第2期页码：70-77
- 作者机构：
  
  1. a Christian Doppler Laboratory for Surface Engineering of high-performance Components TU Wien
  2. b Institute of Chemical Technologies and Analytics TU Wien
  3. c Oerlikon Balzers Oerlikon Surface Solutions AG
  4. d Plansee Composite Materials GmbH
  5. a Christian Doppler Laboratory for Surface Engineering of high-performance Components TU Wien Wien Austria
  6. e Institute of Materials Science and Technology TU Wien
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2021.2021308
  中图分类号：
- 网络首发：2022-01-17，
  
  纸质出版：2022
- 稿件说明：
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C. Fuger, R. Hahn, L. Zauner, 等. Anisotropic super-hardness of hexagonal WB2±z thin films[J]. 材料研究快报（英文）, 2022,10(2):70-77.

C. Fuger, R. Hahn, L. Zauner, et al. Anisotropic super-hardness of hexagonal WB2±z thin films[J]. Materials Research Letters, 2022, 10(2): 70-77.
C. Fuger, R. Hahn, L. Zauner, 等. Anisotropic super-hardness of hexagonal WB2±z thin films[J]. 材料研究快报（英文）, 2022,10(2):70-77. DOI： 10.1080/21663831.2021.2021308.

C. Fuger, R. Hahn, L. Zauner, et al. Anisotropic super-hardness of hexagonal WB2±z thin films[J]. Materials Research Letters, 2022, 10(2): 70-77. DOI： 10.1080/21663831.2021.2021308.

摘要

Abstract

Transition metal diboride-based thin films are promising candidates to replace state-of-the-art protective and functional coating materials due to their unique properties. Here

we focus on hexagonal WB

2-z

showing that the AlB

structure is stabilized by B vacancies exhibiting its energetic minima at sub-stoichiometric WB

1.5

. Nanoindentation reveals super-hardness of 0001 oriented α-WB

2-z

coatings

linearly decreasing by more than 15 GPa with predominant 101¯1 orientation. This anisotropy is attributed to differences in the generalized stacking fault energy of basal and pyramidal slip systems

highlighting the feasibility of tuning mechanical properties by crystallographic orientation relations.

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相关机构

a Department of Physics and Astronomy Uppsala University

a Department of Physics and Astronomy Uppsala University Uppsala Sweden

b School of Science and Technology Örebro University

State Key Laboratory of Metastable Materials Science and Technology Yanshan University

Hebei Provincial Key Lab of Optoelectronic Information Materials College of Physics Science and Technology Hebei University

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