China3D printingOn September 19, global standards developer ASTM International has announced a second round of financing to support the development of standards for the additive manufacturing industry.
The investment includes an investment of US$300,000 and in-kind donations, which will contribute to the goal of ASTM International Additive Manufacturing Center of Excellence (AM CoE) to meet the growing technical standardization needs of the additive manufacturing industry.
The investment covers nine research projects and helps to accelerate the standards of additive manufacturing. Dr. Mohsen Seifi, Director of ASTM International’s Global Additive Manufacturing Program, explained that each project contributes to different standards gaps in design, raw materials, processes, post-processing, testing and certification. Seifi added,
“We are generous to provide funding for some of the most important and influential research projects that join standardization.”
AMCOE’s additive manufacturing. Photo courtesy of ASTM International.
Additive Manufacturing Standard
ASTM International has demonstrated the motivation to develop standards for additive manufacturing, which is the key to the industry’s adoption of this technology in this field.
Last year, ASTM International announced the first round of funding to help support the development of standards for additive manufacturing. A round of support projects undertaken by NASA, the British Manufacturing Technology Centre (MTC), EWI, Auburn University and the National Institute of Aeronautics and Astronautics (NIAR) of Wichita State University. With the addition of Singapore’s National Additive Manufacturing Innovation Cluster (NAMIC), a new round of financing will benefit the same institutions and their research.
In May 2019, ASTM International also announced the “Request for Comments (RFI)” of its ASTM F42 members, who need to obtain short-term R&D funding through its AM CoE. ASTM F42 committee is composed of more than 700 experts who create and revise additive manufacturing standards around the world. It was established by ASTM International in 2009. A panel of experts, named F42.09.05, represents the different departments and types of organizations within the ASTM F42 committee to determine the ideas for evaluation submissions.
The AM CoE program was launched by ASTM International in August 2018 to advance the status quo of additive manufacturing. It was established collectively with EWI, MTC and Auburn University-NASA.
Additive manufacturing at the Center of Excellence for Advanced Manufacturing. Photo courtesy of ASTM International, AMCOE
Formulate standards for laser powder bed fusion, AM data, post-processing, etc.
ASTM International’s new round of financing covers a large number of topics approved by the F42.09.05 subcommittee. Auburn University will work to implement an effective process to detect the use of laser powder bed fusion (LPBF)3D printingPotential problems with technically manufactured parts.It will be from3D printingA few hours after being taken out of the machine, a test is carried out to check the deviation of the structure of the parts and the quality of the materials. Auburn University will also cooperate with NASA to continue to develop the standards and requirements for the first round of laser PBF machines and processes.
The North American engineering and technology organization EWI aims to standardize best practices for data sharing, AM’s common data dictionary, and a data management roadmap that integrates the needs of stakeholders.
The MTC project will address the lack of guidelines for acceptable test results in powder raw material testing methods. MTC will also develop guidelines to address the growing number of post-processing issues related to inefficient design, cost, high non-conformities, and scrap rates. This guide will explain the best design practices for each type of post-processing operation.
NAMIC will analyze the optical and thermal images of the LPBF process to extract structured data, aiming to create optimized 3D files. NAMIC also hopes to develop guidelines for the development of standards for Directed Energy Deposition (DED) and Material Extrusion (MEX). These two processes are considered to be highly concerned by manufacturers and designers.
Finally, Wichita State University’s NIAR will develop a test plan based on existing polymer characterization activities and add printing, testing, and analysis to other data. The results will be shared with the appropriate documents. In addition, NIAR will study the relationship between the attributes of the coupons in the additive-manufactured polymers and collect data from the results of multiple studies.
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