{"id":20583,"date":"2021-06-17T07:57:20","date_gmt":"2021-06-17T07:57:20","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=20583"},"modified":"2021-06-17T08:28:20","modified_gmt":"2021-06-17T08:28:20","slug":"what-is-residual-force","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/hi\/%e0%a4%95%e0%a5%8d%e0%a4%af%e0%a4%be-%e0%a4%b9%e0%a5%88-%e0%a4%85%e0%a4%b5%e0%a4%b6%e0%a4%bf%e0%a4%b7%e0%a5%8d%e0%a4%9f-%e0%a4%ac%e0%a4%b2\/","title":{"rendered":"\u0905\u0935\u0936\u093f\u0937\u094d\u091f \u092c\u0932 \u0915\u094d\u092f\u093e \u0939\u0948?"},"content":{"rendered":"
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A little dizzy? Let’s talk about it in a popular way. For example, a person was very thin before and bought a pair of L-size jeans. However, after a year, he became very fat. When he wore these jeans again, he would feel that his trousers were too tight because he was fat and his trousers didn’t change. At this time, there was a strong force between his body and his trousers. If he used too much force, it was easy to tear them, This destructive force is the effect of residual stress. From the perspective of energy work, when the external force causes the plastic deformation of the object, it will cause the internal deformation of the object, thus accumulating part of the energy; When the external force is eliminated, the energy with uneven internal stress distribution will be released. If the brittleness of the object is low, it will deform slowly, and if the brittleness is high, it will form cracks.<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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\u0930\u093e\u0938\u093e\u092f\u0928\u093f\u0915 \u0935\u093f\u0927\u093f<\/h2>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

\u091a\u093f\u0924\u094d\u0930 4 \u090f\u0915\u094d\u0938-\u0930\u0947 \u0935\u093f\u0927\u093f \u0915\u093e \u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924<\/p>\n\n\n\n

When there is no residual stress, the interference spots are distributed as dots. When there is residual stress, the interference spots elongate and show “Star” shape.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(\u090f) \u0915\u094b\u0908 \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0924\u0928\u093e\u0935 \u0928\u0939\u0940\u0902 \u0939\u0948\uff08 \u092c\u0940) \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0924\u0928\u093e\u0935 \u092e\u094c\u091c\u0942\u0926 \u0939\u0948<\/p>\n\n\n\n

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To sum up, mechanical method and chemical method are destructive testing methods, which require local sampling of the object to be tested, and the damage is irreversible after testing; X-ray method is a non-destructive testing method, which can maintain the integrity of the object. Mechanical method can accurately determine the size and distribution of residual stress, which is generally suitable for bar or tube shaped objects; Chemical method is suitable for objects of wire and sheet type, but chemical method can only make qualitative judgment, it is difficult to achieve quantitative description; Although X-ray method is a “non-destructive” method, it is only suitable for some materials that can give clear and sharp diffraction lines, and because of the small projection ability of X-ray, it can only detect the part of the object close to the surface.<\/p>\n\n\n\n

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\u0909\u0937\u094d\u092e\u093e \u0909\u092a\u091a\u093e\u0930<\/h2>\n\n\n\n

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Static load pressurization is to adjust the residual stress of workpiece by plastic deformation of whole or part or even micro area. For example, large pressure vessels, after welding, are pressurized inside, which is called “bulging”, so that the welding joint has a small amount of plastic deformation, so as to reduce the welding residual stress.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

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VSR \u0915\u094b \u0905\u0902\u0917\u094d\u0930\u0947\u091c\u0940 \u092e\u0947\u0902 \u0935\u093e\u0907\u092c\u094d\u0930\u0947\u0936\u0928 \u0938\u094d\u091f\u094d\u0930\u0947\u0938 \u0930\u093f\u0932\u0940\u092b \u0915\u0939\u0924\u0947 \u0939\u0948\u0902\u0964 \u0907\u0902\u091c\u0940\u0928\u093f\u092f\u0930\u093f\u0902\u0917 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u0906\u0902\u0924\u0930\u093f\u0915 \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0924\u0928\u093e\u0935 \u0915\u094b \u0916\u0924\u094d\u092e \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093e\u0907\u092c\u094d\u0930\u0947\u091f\u0930\u0940 \u0938\u094d\u091f\u094d\u0930\u0947\u0938 \u0930\u093f\u0932\u0940\u092b (\u0935\u0940\u090f\u0938\u0906\u0930) \u090f\u0915 \u0938\u093e\u092e\u093e\u0928\u094d\u092f \u0924\u0930\u0940\u0915\u093e \u0939\u0948\u0964 \u0915\u0902\u092a\u0928 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947, \u091c\u092c \u0906\u0902\u0924\u0930\u093f\u0915 \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0924\u0928\u093e\u0935 \u0915\u093e \u0935\u0947\u0915\u094d\u091f\u0930 \u092f\u094b\u0917 \u0914\u0930 \u0935\u0930\u094d\u0915\u092a\u0940\u0938 \u0915\u093e \u0905\u0924\u093f\u0930\u093f\u0915\u094d\u0924 \u0915\u0902\u092a\u0928 \u0924\u0928\u093e\u0935 \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0940 \u0909\u092a\u091c \u0936\u0915\u094d\u0924\u093f \u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b \u091c\u093e\u0924\u093e \u0939\u0948, \u0924\u094b \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u092e\u0947\u0902 \u0925\u094b\u0921\u093c\u0940 \u092e\u093e\u0924\u094d\u0930\u093e \u092e\u0947\u0902 \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u093f\u0915 \u0935\u093f\u0930\u0942\u092a\u0923 \u0939\u094b\u0924\u093e \u0939\u0948, \u0924\u093e\u0915\u093f \u0938\u093e\u092e\u0917\u094d\u0930\u0940 \u0915\u0947 \u0906\u0902\u0924\u0930\u093f\u0915 \u0924\u0928\u093e\u0935 \u0915\u094b \u0915\u092e \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0947\u0964 \u0914\u0930 \u0915\u092e \u0915\u0930 \u0926\u093f\u092f\u093e\u0964<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u091a\u093f\u0924\u094d\u0930\u093e 7 \u0924\u0928\u093e\u0935 \u092e\u093e\u0924\u094d\u0930\u093e\u0924\u094d\u092e\u0915 \u0935\u0940\u090f\u0938\u0906\u0930 \u092a\u094d\u0930\u0923\u093e\u0932\u0940<\/p>\n\n\n\n

\u092f\u093e\u0902\u0924\u094d\u0930\u093f\u0915 \u0909\u092a\u091a\u093e\u0930 \u0935\u0938\u094d\u0924\u0941 \u0915\u0940 \u0938\u0924\u0939 \u092a\u0930 \u091b\u094b\u091f\u0947 \u092a\u094d\u0932\u093e\u0938\u094d\u091f\u093f\u0915 \u0935\u093f\u0930\u0942\u092a\u0923 \u0915\u0940 \u0935\u093f\u0927\u093f \u0915\u093e \u0909\u092a\u092f\u094b\u0917 \u0915\u0930\u0915\u0947 \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0924\u0928\u093e\u0935 \u0915\u094b \u0915\u092e \u0915\u0930\u0928\u093e \u0939\u0948, \u091c\u093f\u0938\u092e\u0947\u0902 \u090f\u0915 \u0926\u0942\u0938\u0930\u0947 \u0938\u0947 \u091f\u0915\u0930\u093e\u0928\u0947 \u0935\u093e\u0932\u0947 \u0939\u093f\u0938\u094d\u0938\u0947, \u0938\u0924\u0939 \u0930\u094b\u0932\u093f\u0902\u0917, \u0938\u0924\u0939 \u0915\u093e \u091a\u093f\u0924\u094d\u0930 \u0914\u0930 \u0938\u0924\u0939 \u0915\u093e \u0906\u0915\u093e\u0930 \u0914\u0930 \u092e\u094b\u0932\u094d\u0921 \u092e\u0947\u0902 \u0920\u0940\u0915 \u0926\u092c\u093e\u0935 \u0936\u093e\u092e\u093f\u0932 \u0939\u0948\u0964 \u0909\u0926\u093e\u0939\u0930\u0923 \u0915\u0947 \u0932\u093f\u090f, \u0907\u0938\u094d\u0924\u094d\u0930\u0940 \u0915\u0947 \u0932\u093e\u092d\u094b\u0902 \u092e\u0947\u0902 \u0938\u0947 \u090f\u0915 \u0905\u0935\u0936\u093f\u0937\u094d\u091f \u0924\u0928\u093e\u0935 \u0915\u093e \u0909\u0928\u094d\u092e\u0942\u0932\u0928 \u0939\u0948\u0964<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

First of all, there is an official definition: residual stress is that the workpiece will be affected by various process factors in the manufacturing process; When these factors disappear, if the above effects and influences on the component can not disappear completely, and some of them remain in the component, then the residual effect and…<\/p>","protected":false},"author":2,"featured_media":20588,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2021\/06\/\u56fe\u724710.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/posts\/20583"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/comments?post=20583"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/posts\/20583\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/media\/20588"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/media?parent=20583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/categories?post=20583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/hi\/wp-json\/wp\/v2\/tags?post=20583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}