Creep properties of biodegradable Zn-0.1Li alloy at human body temperature: implications for its durability as stents

Suming Zhu; Chengcheng Wu; Guannan Li; Yufeng Zheng; Jian-Feng Nie

doi:10.1080/21663831.2019.1610106

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Creep properties of biodegradable Zn-0.1Li alloy at human body temperature: implications for its durability as stents

Original Report | 更新时间：2026-08-19

- Creep properties of biodegradable Zn-0.1Li alloy at human body temperature: implications for its durability as stents
- Materials Research Letters Vol. 7, Issue 9, Pages: 347-353(2019)
- 作者机构：
  
  1. Department of Materials Science and Engineering Monash University
  2. Department of Materials Science and Engineering College of Engineering Peking University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1610106
  CLC：
- Online First：09 May 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
Suming Zhu, Chengcheng Wu, Guannan Li, et al. Creep properties of biodegradable Zn-0.1Li alloy at human body temperature: implications for its durability as stents[J]. Materials Research Letters, 2019, 7(9): 347-353.
DOI：

Suming Zhu, Chengcheng Wu, Guannan Li, et al. Creep properties of biodegradable Zn-0.1Li alloy at human body temperature: implications for its durability as stents[J]. Materials Research Letters, 2019, 7(9): 347-353. DOI： 10.1080/21663831.2019.1610106.

摘要

Abstract

BSTRACTThis is the first report on creep properties of biodegradable zinc alloys at human body temperature. The extruded Zn-0.1Li (wt.%) alloy exhibits appreciable creep deformation at 37°C under stresses ranging 80–230 MPa within 500 h. The creep deformation at low stresses (80–155 MPa

about 0.4–0.8 yield strength) is characterized by a stress exponent of about 4 and an activation energy close to that for self-diffusion of zinc

which are typical of dislocation creep. The implications of creep at human body temperature for durability of biodegradable zinc alloys as stents are discussed.

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a Institute of Metal Research Chinese Academy of Sciences Shenyang People’s Republic of China

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a Clausthaler Zentrum für Materialtechnik TU Clausthal Clausthal-Zellerfeld Germany

b Institut für Metallurgie AG Festkörperkinetik TU Clausthal

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