Scholarlink

Biodegradable magnesiumMagnesium (Mg) scaffolds have recently attracted considerable interest as a prospective alternative for temporary implants in orthopedic applications, predominantly due to their advantages mechanical, electrochemical, and biological properties. Nevertheless, MgMg alloys remain a challenging material to work with, exhibiting a high degradationDegradation rate, low mechanical propertiesMechanical properties, and intricate fabrication processes. The recent advancements in additive manufacturing (AM) have prompted its application to fabricate Mg scaffolds with geometrically ordered porous structures. A material extrusionExtrusion-based AM (ME-AM) process, followed by debinding and sintering, has recently been demonstrated to be an effective approach to fabricating suchMg Mg scaffolds. This method has the potential to circumvent some of the critical issues that have been encountered when applying powder bed fusion AM techniques. This study presents the fabrication of biodegradable Mg-Zn-Mn-Sr scaffolds through a ME-AM process. Given the indispensable role of the binder in the production of the ink, it is of paramount importance to develop a binder system that does not interact with theMg Mg powder and leaves no residue. It is of the utmost necessity to conduct a comprehensive examination of the overall process conditions in order to ascertain the viability of employing the novel biodegradable Mg-Zn-Mn-Sr alloys in the extrusionExtrusion and sintering-based AM process. The objective of the present study is to advance the ME-AM process to fabricate Mg-based porous scaffolds with the potential to serve as bone-substituting materials.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Material Extrusion-Based 3D Printing of Mg Scaffolds

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Joung Sik Suh,
  • Byeong-Chan Suh,
  • Ha Sik Kim,
  • Sang Eun Lee,
  • Jaeseong Kim

摘要

Biodegradable magnesiumMagnesium (Mg) scaffolds have recently attracted considerable interest as a prospective alternative for temporary implants in orthopedic applications, predominantly due to their advantages mechanical, electrochemical, and biological properties. Nevertheless, MgMg alloys remain a challenging material to work with, exhibiting a high degradationDegradation rate, low mechanical propertiesMechanical properties, and intricate fabrication processes. The recent advancements in additive manufacturing (AM) have prompted its application to fabricate Mg scaffolds with geometrically ordered porous structures. A material extrusionExtrusion-based AM (ME-AM) process, followed by debinding and sintering, has recently been demonstrated to be an effective approach to fabricating suchMg Mg scaffolds. This method has the potential to circumvent some of the critical issues that have been encountered when applying powder bed fusion AM techniques. This study presents the fabrication of biodegradable Mg-Zn-Mn-Sr scaffolds through a ME-AM process. Given the indispensable role of the binder in the production of the ink, it is of paramount importance to develop a binder system that does not interact with theMg Mg powder and leaves no residue. It is of the utmost necessity to conduct a comprehensive examination of the overall process conditions in order to ascertain the viability of employing the novel biodegradable Mg-Zn-Mn-Sr alloys in the extrusionExtrusion and sintering-based AM process. The objective of the present study is to advance the ME-AM process to fabricate Mg-based porous scaffolds with the potential to serve as bone-substituting materials.