{"id":1774,"date":"2020-03-23T07:43:56","date_gmt":"2020-03-23T07:43:56","guid":{"rendered":"https:\/\/seismicconsolidation.com\/?p=1774"},"modified":"2020-03-23T07:46:07","modified_gmt":"2020-03-23T07:46:07","slug":"to-perform-impact-test-on-different-steel-samples","status":"publish","type":"post","link":"https:\/\/seismicconsolidation.com\/to-perform-impact-test-on-different-steel-samples\/","title":{"rendered":"To perform impact test on different steel samples"},"content":{"rendered":"<p><strong>Job # 6<\/strong><\/p>\n<p><strong>To perform impact test on different steel samples<\/strong><\/p>\n<p><strong>Purpose:<\/strong><\/p>\n<p>To determine the modulus of toughness of steel in tension and in bending.<\/p>\n<p><strong>Apparatus:<\/strong><\/p>\n<ol>\n<li>Charpy impact testing machine<\/li>\n<li>Steel samples, circular rod for tension test and specimen with square cross section for bending test<\/li>\n<\/ol>\n<p><strong>Related theory:<\/strong><\/p>\n<ol>\n<li><strong> Toughness: <\/strong>The ability of material to absorb energy in plastic range as load is increased from 0 to failure.<\/li>\n<li><strong> Modulus of toughness:<\/strong> It is the amount of work done on a unit volume of material as a simple tensile force is increased from 0 to failure.<\/li>\n<li><strong> Types of loads:<\/strong><\/li>\n<li><strong>Static load: <\/strong>Loads which do not change their magnitude, direction and position. e.g. self weight of anything.<\/li>\n<li><strong>Dynamic load:<\/strong> The loads which change their magnitude, direction and position. e.g traffic load on roads, bridges.<\/li>\n<li><strong>Impact load: <\/strong>The sudden application of the significant magnitude of load in a short interval of time. e.g. earth quack produces impact load.<\/li>\n<\/ol>\n<p><strong>Procedure:<\/strong><\/p>\n<ol>\n<li>Measure the dimensions of a specimen. Also, measure the dimensions of the fork i.e its radius and mass.<\/li>\n<li>Raise the hammer and note down initial reading from the dial, which will be energy to be used to fracture the specimen.<\/li>\n<li>Place the specimen for test and see that it is placed center with respect to hammer. Check the position of notch.<\/li>\n<li>Release the hammer and note the final reading. Difference between the initial and final reading will give the actual energy required to fracture the Specimen.<\/li>\n<li>Repeat the test for specimens of other materials.<\/li>\n<li>Compute the energy of rupture of each specimen.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1775\" src=\"https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture.PNG2_.png\" alt=\"\" width=\"555\" height=\"451\" srcset=\"https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture.PNG2_.png 555w, https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture.PNG2_-300x244.png 300w\" sizes=\"(max-width: 555px) 100vw, 555px\" \/><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1777\" src=\"https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture2.png\" alt=\"\" width=\"580\" height=\"454\" srcset=\"https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture2.png 580w, https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture2-300x235.png 300w\" sizes=\"(max-width: 580px) 100vw, 580px\" \/><\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-1776\" src=\"https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture3.png\" alt=\"\" width=\"627\" height=\"447\" srcset=\"https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture3.png 627w, https:\/\/seismicconsolidation.com\/wp-content\/uploads\/2020\/03\/Capture3-300x214.png 300w\" sizes=\"(max-width: 627px) 100vw, 627px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Job # 6 To perform impact test on different steel samples Purpose: To determine the modulus of toughness of steel in tension and in bending. Apparatus: Charpy impact testing machine Steel samples, circular rod for tension test and specimen with square cross section for bending test Related theory: Toughness: The ability of material to absorb&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[159],"tags":[162],"_links":{"self":[{"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/posts\/1774"}],"collection":[{"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/comments?post=1774"}],"version-history":[{"count":2,"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/posts\/1774\/revisions"}],"predecessor-version":[{"id":1779,"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/posts\/1774\/revisions\/1779"}],"wp:attachment":[{"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/media?parent=1774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/categories?post=1774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seismicconsolidation.com\/wp-json\/wp\/v2\/tags?post=1774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}