{"id":7929,"date":"2026-03-12T15:48:24","date_gmt":"2026-03-12T13:48:24","guid":{"rendered":"https:\/\/teceudemo.com\/investigation-of-the-causes-of-failure-of-a-welded-joint-performed-with-continuous-wire-mag-technology\/"},"modified":"2026-05-21T16:34:37","modified_gmt":"2026-05-21T14:34:37","slug":"investigation-of-the-causes-of-failure-of-a-welded-joint-performed-with-continuous-wire-mag-technology","status":"publish","type":"post","link":"https:\/\/www.tec-eurolab.com\/en\/investigation-of-the-causes-of-failure-of-a-welded-joint-performed-with-continuous-wire-mag-technology\/","title":{"rendered":"Investigation of the causes of failure of a welded joint performed with continuous wire mag technology"},"content":{"rendered":"

Investigation of the causes of failure of a welded joint performed with continuous wire mag technology<\/h2>\n

The object<\/h2>\n

Welded joint that from visual inspection shows a break in the center of the weld seam of the two welded joints with an extension equal to its length<\/p>\n

The analyses<\/h2>\n

Visual Examination<\/h3>\n

Preliminary visual examination of the subject part found that one of the two welded joints has a break in the center of the weld seam with an extension equal to its length.
\nTo investigate the possible causes of welded joint failure, the two welded joints identified as “SX” and “DX” were compared.
\nOn both joints, transverse to the weld seam, two macro sections were taken and then subjected to observation under a stereomicroscope.<\/p>\n

SX welding<\/h3>\n

In the two macrographs, which refer to different positions of the same weld, no defects or macroscopic abnormalities are detected. In macrograph SX2, weld seam shape defects are evident: excessive light between the two base materials and unproportional weld seam width…<\/p>\n

DX Welding<\/h3>\n

Looking at the macrograph, it will be seen that the weld rupture originates from the apex of the weld and propagates throughout the entire resist section. On the second macro (see figure), a ponding was detected at the apex of the weld and a crack originates at the apex of the weld and is oriented to the center of the fused zone.<\/p>\n

\"\"
Fig. 1 – Welded joint: breakage<\/figcaption><\/figure>\n
\"\"
Fig. 2 – Macro examination of the SX weld.<\/figcaption><\/figure>\n
\"\"
Fig. 3 -RIGHT weld – Breakage<\/figcaption><\/figure>\n
\"\"
Fig. 4 -RIGHT weld – bonding and cracking<\/figcaption><\/figure>\n

Conclusions<\/h2>\n

The failure of the welded joint<\/strong> is attributable tothe bonding of the weld seam.<\/strong>
\nBonding is a two-dimensional defect and results in a concentration of stresses that, especially in the component subjected to stresses during operation, can lead to the generation and subsequent propagation of a crack, resulting in the catastrophic effect of part failure.<\/p>\n

Possible causes of weld bead sticking should be eliminated.
\nIt is also advisable to take the best care of the assembly of various components at the pre-welding stage<\/strong> so as to obtain proportional weld beads and reduction of the gap between base materials.<\/p>\n

Is your component damaged? Let’s find out together why<\/h2>\n

Request information<\/p>\n","protected":false},"excerpt":{"rendered":"

Investigation of the causes of failure of a welded joint performed with continuous wire mag technology The object Welded joint that from visual inspection shows a break in the center of the weld seam of the two welded joints with an extension equal to its length The analyses Visual Examination Preliminary visual examination of the […]<\/p>\n","protected":false},"author":3,"featured_media":7232,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[57],"tags":[],"class_list":["post-7929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-did-it-break"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/posts\/7929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/comments?post=7929"}],"version-history":[{"count":2,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/posts\/7929\/revisions"}],"predecessor-version":[{"id":14044,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/posts\/7929\/revisions\/14044"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/media\/7232"}],"wp:attachment":[{"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/media?parent=7929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/categories?post=7929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tec-eurolab.com\/en\/wp-json\/wp\/v2\/tags?post=7929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}