Evidence map›Paper›PMID 40817339›Full record

ArticleScientific reports2025

Substantial improvement of mechanical properties of Zn-Mg alloys to orthopedic implants via rotary swaging.

Qing Zhao, Zonghai Liu, Tuquan Zheng, Long Zhang, Jin Li, Xiaochuan Li, Yu Cai

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Qing ZhaoDepartment of Radiology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
Zonghai LiuGuangzhou Key Laboratory of Spine Disease Prevention and Treatment, Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, Guangdong, China.
Tuquan ZhengGuangzhou Key Laboratory of Spine Disease Prevention and Treatment, Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, Guangdong, China.
Long ZhangGuangzhou Key Laboratory of Spine Disease Prevention and Treatment, Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, Guangdong, China.
Jin LiDepartment of Neurology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, China. 18215231778@163.com.ORCID http://orcid.org/0009-0001-8355-9250
Xiaochuan LiDepartment of Orthopaedic Surgery, Gaozhou People's Hospital, Maoming, 525200, Guangdong, China. wangmsgzph@163.com.ORCID http://orcid.org/0009-0000-3418-0562
Yu CaiGuangzhou Key Laboratory of Spine Disease Prevention and Treatment, Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, Guangdong, China. Yucai_pepsi@163.com.ORCID http://orcid.org/0009-0007-8476-4436

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The limited strength of unalloyed zinc (Zn) hinders its use in bone repair, where materials must withstand substantial stress. Rotary swaging (RS) serves as a promising technique to enhance metal performance by modifying their internal microstructures. Herein, Zn-0.5Mg alloys undergo room-temperature RS, with their post-processing characteristics, including microstructural features, mechanical performance, degradation behaviors, and biological responses being systematically examined. Findings demonstrate remarkable microstructural optimization and breakdown of lamellar structure following RS. As strain rise, average grain sizes of cast Zn-0.5Mg alloy reduce progressively from 100 μm to 1.10 μm (RS-2), with complete refinement of second phases. This method remarkably boosts the alloy's ultimate tensile strengths from 163 MPa of cast to 465 MPa of RS-3, while the ductility improved from 2 to 27.8%., satisfying bone implant specifications. Such enhancement stems from multiple mechanisms including grain boundary strengthening, dislocation strengthening, and second phase strengthening. Enhanced processing passes correlate with reduced degradation rates, mainly attributed to diminished localized corrosion from galvanic corrosion between Zn and Mg

Indexed as

AlloysMagnesiumProstheses and ImplantsZincAnimalsBiocompatible MaterialsMaterials TestingStress, MechanicalTensile StrengthAlloysBiocompatible MaterialsMagnesiumZincMechanical propertyMicrostructureOsteogenesisRotary swagingZn–Mg alloys

Identifiers

PMID40817339
PMCPMC12356890

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