{"id":41121,"date":"2020-02-21T06:46:13","date_gmt":"2020-02-21T06:46:13","guid":{"rendered":"\/forum\/forums\/topic\/material-parameter-about-shape-memory-alloy-especially-nitinol\/"},"modified":"2020-02-21T06:46:13","modified_gmt":"2020-02-21T06:46:13","slug":"material-parameter-about-shape-memory-alloy-especially-nitinol","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/material-parameter-about-shape-memory-alloy-especially-nitinol\/","title":{"rendered":"Material Parameter about Shape Memory Alloy especially Nitinol"},"content":{"rendered":"<p class=\"MsoNormal\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d97b96e3-0aea-4074-9f97-aabf005d7396\/87c09305-a1dc-41a8-91d5-ab68006baa99_11111.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p class=\"MsoNormal\">I have purchased Nitinol material and I will do some experiments, simulations and compare those results. For this reason, I need to know how to get the value of Hardening parameter (H), Elastic limit (R) and Temperature scaling parameter (beta) based on Ansys Workbench SME model in Engineering data section.<\/p>\n<p><\/p>\n<p class=\"MsoNormal\"><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d97b96e3-0aea-4074-9f97-aabf005d7396\/6f2e6a8a-f63f-4a9a-bb6a-ab68006bf0db_2222.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p class=\"MsoNormal\">I have found the above image from presentation on SME by <strong>Mr. Sheldon Imaoka<\/strong> (Ansys Technical Support Group). Here has been described how to obtain Hardening parameter (H), Elastic limit (R) and Temperature scaling parameter (beta).&nbsp;But I want to know how I can get this type of graph from a nitinol wire. Which experiment I have to do to get this type of graph for a nitinol wire? From this graph, it seems like it&#8217;s a loading-unloading test in superelastic state (constant temperature above austenite finish temperature (Af)? Am I right?<\/p>\n<p><\/p>\n<p class=\"MsoNormal\">Or I have to perform loading-unloading test at martensite finish temperature (Mf) for permanent deformation and then heat above Af to recover its original shape to get this below type graph.<\/p>\n<p><\/p>\n<p class=\"MsoNormal\">Or any other experiment?<\/p>\n<p><\/p>\n<p class=\"MsoNormal\">Which experiment I have to perform to obtain Hardening parameter (H), Elastic limit (R) and Temperature scaling parameter (beta)&nbsp;of a particular nitinol wire?<\/p>\n","protected":false},"template":"","class_list":["post-41121","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["13301"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0"],"_btv_view_count":["1275"],"_bbp_subscription":["48646"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["41121"],"_bbp_forum_id":["27791"],"_bbp_engagement":["168186"],"_bbp_voice_count":["1"],"_bbp_reply_count":["0"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["41121"],"_bbp_last_active_time":["2020-02-21 06:46:13"]},"test":"lincs2k9"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/41121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/41121\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=41121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}