Search Results for medical device fabrication

The development of biocompatible resins and improvements in stereolithography are driving innovations in drug delivery, biosensing, diagnostic testing, and surgical devices and procedures.

Using a physical vapor deposition process to manufacture medical device components reduces post-processing time and improves materials properties. This article addresses metallic sputter deposition technologies for Nitinol medical devices.

Novel methods for altering the mechanical properties of functionally graded orthodontic medical devices leads to new applications. This article highlights recent applications of selective vaporization to enable functional grading of shape memory alloys in medical devices for the dental industry.

Metals containing copper could soon be a mainstay in the war against antibiotic-resistant bacteria because they kill microorganisms on contact, work around the clock, are self-sanitizing, and require little if any outside help to remain effective.

Vat polymerization uses ultraviolet light to harden liquid photosensitive resins into medical products such as surgical models and artificial limbs.

The Australian Research Council is funding a new training center in Surface Engineering for Advanced Materials (SEAM) based in Melbourne, Australia. This article describes the research, development, and educational objectives of the new center, which aims to solve crucial surface engineering problems, such as their design, fabrication, testing, analysis, and pathways towards value-added applications.

3D printing of organic and inorganic materials requires special consideration in both material selection and the process used. This article provides an overview of the the six major processes used for 3D bioprinting: extrusion bioprinting, inkjet printing, selective laser sintering, stereolithography, laser-induced forward transfer bioprinting, and two-photon polymerization.

This guide outlines recent advances in the various methods of laser technology and appropriate manufacturing applications. Each process has unique requirements and matching the laser source to the project is essential for developing a robust solution.

Shape memory alloy textiles provide complex deformation and force profiles for novel wearable applications.

Recent advances in the development of self-healing polymers enhance the longevity of energy harvesting and storage devices.

Laboratory tests conducted at the University of Southampton, UK, found that many species of bacteria including hospital superbugs, MRSA and VRE, are killed in less than 2 h on copper alloy surfaces. Tests conducted in a third-party lab subject to EPA audits confirmed these results, concluding that a range of copper alloy surfaces, such as brass, bronze, copper nickel, and nickel silver, achieve a 99.9% reduction of bacteria within 2 h of contact and that the effect is not impaired by tarnish. Other such tests have since been conducted and the results are presented in the article.

The use of braided reinforcements enables the creation of composite parts with an efficient fiber architecture and provides manufacturers with a material that results in fewer processing steps and less waste than woven alternatives. The article provides an overview of braiding machinery, braid materials, and properties of braid structures.

News about ASM members, chapters, events, awards, conferences, affiliates, and other society activities. Topics include: ASM International announces change in executive leadership, 2012 class of ASM Fellows.

To learn about the important connection between mechanical engineering and materials science, we turned to five experts with backgrounds in both fields for insight. The panelists share their perspectives on how the two disciplines informed their careers, which types of design challenges can be solved with materials information, and how ASM can improve that connection by leading with a “unity of disciplines” approach. The panelists are Scott Carpenter, Vactronix Scientific; Bertrand Jodoin, University of Ottawa; Vistasp Karbhari, The University of Texas at Arlington; Marina B. Ruggles-Wrenn, Air Force Institute of Technology; and Judith A. Todd, The Pennsylvania State University.

Ultrasound is widely used for nondestructive evaluation, structural health monitoring, acoustic emission, sound navigation ranging, and in sensors for automobiles, medicine, and many other applications. Next-generation, small-form-factor sensors have been achieved through advances in piezoelectric micromachined ultrasonic transducers (PMUTs) that can be positioned on either a flexible polymer or a silicon substrate to form an array. This article describes a materials and design optimization study that used finite element analyses to improve designs for robust and practical PMUT sensor arrays.

News about ASM members, chapters, events, awards, conferences, affiliates, and other society activities. Topics include: The ASM Materials Education Foundation announces 2020 scholarship winners; the process used for updating the 2020 ASM Strategic Plan; professional profile for Patricia Silvana Carrizo; Brittnee Mound-Watson, Emerging Professionals Committee Co-chair, describes transferable skills in moving from graduate school to industry.

To learn what makes entrepreneurs in materials science tick, we turned to seven ASM members with experience as inventors and business founders for insight. They discuss how they got started, lessons they learned along the way, what ASM can do to support innovators, and advice for the next generation of STEM entrepreneurs.

News about ASM members, chapters, events, awards, conferences, affiliates, and other society activities. Topics include: Mark Smith to Chair 2013 Nominating Committee; 2013 International Metallographic Contest; Author Spotlight on Larry D. Hanke; Members in the News.

Enhanced mining tool performance is achieved through the use of reclaimed NiCrBSi-WC powders in laser metal deposition. Collection, analysis, and reuse of spilled powder lowers production costs and reduces environmental impact.

Beyond automotive, aerospace, and medical materials innovations, research and development of advanced materials and processes for sports and recreation activities is one of the most exciting areas for today’s materials scientists and engineers. This article compiles examples of materials innovations in equipment for cycling, ice skating, cricket, running, football, sailing, and fishing.