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Ultrafine- and uniform-grained biodegradable Zn-0.5Mn alloy: Grain refinement mechanism, corrosion behavior, and biocompatibility in vivo

Guo, Pushan ; Zhu, Xinglong ; Yang, Lijing ; Deng, Long ; Zhang, Qingke ; Li, Bernard Qiong ; Cho, Kailynn ; Sun, Wensheng ; Ren, Tiantian ; Song, Zhenlun

Materials Science & Engineering C, 2021-01, Vol.118, p.111391-111391, Article 111391

Netherlands: Elsevier B.V

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Title:
Ultrafine- and uniform-grained biodegradable Zn-0.5Mn alloy: Grain refinement mechanism, corrosion behavior, and biocompatibility in vivo
Author: Guo, Pushan ; Zhu, Xinglong ; Yang, Lijing ; Deng, Long ; Zhang, Qingke ; Li, Bernard Qiong ; Cho, Kailynn ; Sun, Wensheng ; Ren, Tiantian ; Song, Zhenlun
Subjects: Alloys ; Animals ; Biocompatibility ; Biodegradability ; Biodegradable materials ; Biodegradation ; Boundaries ; Corrosion ; Corrosion mechanisms ; Ductility ; Elongation ; Grain boundaries ; Grain refinement ; Materials science ; Organs ; Room temperature ; Surgical implants ; Tensile Strength ; Ultrafines ; Uniform attack (corrosion) ; Uniform corrosion ; Zinc ; Zinc base alloys ; Zn-0.5Mn alloy
Is Part Of: Materials Science & Engineering C, 2021-01, Vol.118, p.111391-111391, Article 111391
Notes: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Description: An ultrafine- and uniform-grained Zn–0.5Mn alloy (D3 alloy, stands for deformation rate of 99.5%) is fabricated via multi-pass drawing. The alloy features excellent ductility and elongation properties (up to 245.0% ± 9.0% at room temperature). Zn-0.5Mn alloys are composed of two phases, namely, Zn and MnZn13. The MnZn13 phase confers multiple effects during refinement by inducing and pinning low-angle boundaries within grains. Meanwhile, the presence of these phases along grain boundaries prevents the growth of new refined grains. D3 shows uniform corrosion behaviors in c-SBF solution on account of the even distribution of the MnZn13 phase in its microstructure. Animal implantation experiments indicate that D3 has good biocompatibility; it does not cause damage to bone tissue or other organs. Taking the results together, D3 may be developed into a new type of biodegradable material with remarkable elongation and corrosion properties and satisfactory biocompatibility for medical applications. [Display omitted] •An ultrafine- and uniform-grained Zn–0.5Mn alloy is fabricated via multipass drawing.•D3 alloy features high ductility and could be elongated by up to 245.0% ± 9.0%.•D3 alloy shows uniform corrosion due to the even distribution of MnZn13 phase.
Publisher: Netherlands: Elsevier B.V
Language: English

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Ultrafine- and uniform-grained biodegradable Zn-0.5Mn alloy: Grain refinement mechanism, corrosion behavior, and biocompatibility in vivo

Guo, Pushan ; Zhu, Xinglong ; Yang, Lijing ; Deng, Long ; Zhang, Qingke ; Li, Bernard Qiong ; Cho, Kailynn ; Sun, Wensheng ; Ren, Tiantian ; Song, Zhenlun

Netherlands: Elsevier B.V

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