{"id":4814,"date":"2022-03-16T17:42:43","date_gmt":"2022-03-16T17:42:43","guid":{"rendered":"https:\/\/staging.asminternational.org\/edfas\/algorithm-could-shorten-quality-testing-and-research-in-many-industries-by-months\/"},"modified":"2023-02-23T21:21:19","modified_gmt":"2023-02-23T21:21:19","slug":"algorithm-could-shorten-quality-testing-and-research-in-many-industries-by-months","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/edfas\/results\/-\/journal_content\/56\/10192\/47524336\/NEWS\/","title":{"rendered":"Algorithm could shorten quality testing and research in many industries by months"},"content":{"rendered":"<p>A machine-learning algorithm developed at Sandia National Laboratories, Albuquerque, N.M., could provide auto manufacturing, aerospace, and other industries a faster and more cost-efficient way to test bulk materials. The technique was published recently in the scientific journal <em>Materials Science and Engineering: A<\/em>.<\/p>\n<p>Production stoppages are costly. So, manufacturers screen materials like sheet metal for formability before using them to make sure the material will not crack when it is stamped, stretched and strained as it\u2019s formed into different parts.<\/p>\n<p>Companies often use commercial simulation software calibrated to the results of various mechanical tests, said Sandia scientist David Montes de Oca Zapiain, the lead author on the paper. However, these tests can take months to complete. And while certain high-fidelity computer simulations can assess formability in only a few weeks, companies need access to a supercomputer and specialized expertise to run them, Montes de Oca Zapiain said.<\/p>\n<p>Sandia has shown machine learning can dramatically cut time and resources to calibrate commercial software because the algorithm does not need information from mechanical tests, said Montes de Oca Zapiain. Nor does the method need a supercomputer. Additionally, it opens a new path to perform faster research and development.<\/p>\n<p>\u201cYou could efficiently use this algorithm to potentially find lighter materials with minimal resources without sacrificing safety or accuracy,\u201d Montes de Oca Zapiain said.<\/p>\n<p>The machine-learning algorithm named MAD<sup>3<\/sup>, pronounced \u201cmad cubed\u201d and short for Material Data Driven Design, works because metal alloys are made of microscopic, so-called \u201ccrystallographic\u201d grains. Collectively, these grains form a texture that makes the metal stronger in some directions than others, a phenomenon that researchers call mechanical anisotropy.<\/p>\n<p>\u201cWe\u2019ve trained the model to understand the relationship between crystallographic texture and anisotropic mechanical response,\u201d Montes de Oca Zapiain said. \u201cYou need an electron microscope to get the texture of a metal, but then you can drop that information into the algorithm, and it predicts the data you need for the simulation software without performing any mechanical tests.\u201d<\/p>\n<p>Teaming with Ohio State University, Sandia trained the algorithm on the results of 54,000 simulated materials tests using a technique called a feed-forward neural network. The Sandia team then presented the algorithm with 20,000 new microstructures to test its accuracy, comparing the algorithm\u2019s calculations with data gathered from experiments and supercomputer-based simulations.<\/p>\n<p>\u201cThe developed algorithm is about 1,000 times faster compared to high-fidelity simulations. We are actively working on improving the model by incorporating advanced features to capture the evolution of the anisotropy since that is necessary to accurately predict the fracture limits of the material,\u201d said Sandia scientist Hojun Lim, who also contributed to the research.<\/p>\n<p>To enable other institutions to take advantage of the technology, Sandia formed a cross-disciplinary team to develop the user-friendly, graphics-based Material Data Driven Design software. It was developed with input from more than 75 interviews with potential users through the Department of Energy\u2019s Energy I-Corps program.<\/p>\n<p>&nbsp;<\/p>\n<p>Image &#8211; <em>Sandia National Laboratories researchers David Montes de Oca Zapiain, left, and Hojun Lim examine data generated by the machine learning algorithm Material Data Driven Design.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>\nFor more information:<\/p>\n<p>Department of Energy\u2019s Energy I-Corps Program<\/p>\n<p><a href=\"https:\/\/energyicorps.energy.gov\/\" target=\"_blank\" rel=\"noopener\">https:\/\/energyicorps.energy.gov\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Sandia National Laboratories<\/p>\n<p><a href=\"https:\/\/www.sandia.gov\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sandia.gov\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A machine-learning algorithm developed at Sandia National Laboratories, Albuquerque, N.M., could provide auto manufacturing, aerospace and other industries a faster and more cost-efficient way to test bulk materials.<\/p>\n","protected":false},"author":63103,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[448,443,444,441,437,435,436,1],"tags":[],"class_list":["post-4814","post","type-post","status-publish","format-standard","hentry","category-aerospace-and-defense","category-automobiles-and-ground-transportation","category-industries-and-applications","category-materials-properties-and-performance","category-materials-testing-and-evaluation","category-news","category-news-articles","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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