{"id":1328,"date":"2016-08-01T19:20:52","date_gmt":"2016-08-01T19:20:52","guid":{"rendered":"http:\/\/www.inspirenignite.com\/jntuk\/?p=1328"},"modified":"2016-08-01T19:20:52","modified_gmt":"2016-08-01T19:20:52","slug":"jntuk-b-tech-corrosion-its-control-elective-ii-for-r13-batch","status":"publish","type":"post","link":"https:\/\/www.inspirenignite.com\/jntuk\/jntuk-b-tech-corrosion-its-control-elective-ii-for-r13-batch\/","title":{"rendered":"JNTUK B. Tech Corrosion &amp; Its Control (Elective \u2013II) for R13 Batch."},"content":{"rendered":"<p>JNTUK B.Tech Corrosion &amp; Its Control gives you detail information of Corrosion &amp; Its Control R13 syllabus It will be help full to understand you complete curriculum of the year.<\/p><div class=\"a9916ad81d5189659b0bfae0b37c143c\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-1181153414625576\"\r\n     data-ad-slot=\"9648548092\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p><strong>Learning Objectives<\/strong><\/p>\n<ul>\n<li>Basic concepts of material damage\/degradation, its scope, and maintenance of chemical equipment will be known.<\/li>\n<li>To learn a model of electrochemical corrosion cell &#8211; this will give the basic concepts on corrosion processes occurring between Metal\/Material and environment.<\/li>\n<li>To know different types of aggressive environments generally one comes across; to give the idea about how the surface of the metal\/material interacts with the environments (Liquid, Gas &amp; Solid environments).<\/li>\n<li>To train the students in the evaluation of corrosion rates, this will give the concepts of quantitative estimation for subsequent applications of remedial measures.<\/li>\n<li>To make the student conversant with the various corrosion testing methods in practice along with the latest methods developed such as impedance method, linear polarisation technique etc.<\/li>\n<\/ul>\n<p><strong>UNIT-I: Introduction:<\/strong> Corrosion and oxidation, Cost of corrosion \u2013 Direct and Indirect losses due to chemical corrosion; Definitions \u2013 Extractive Metallurgy in reverse \u2013 Dry corrosion, wet\u00a0corrosion \u2013 Electro chemical cell as corrosion cell \u2013 Electrochemical Mechanism of corrosion \u2013 Corrosion cells.<br \/>\n<strong>Corrosion Reactions<\/strong>: Metal \/ Environmental, anode, cathode and the corresponding electrode reactions \u2013 Metallurgical aspects of corrosion. Mixed potential theory of corrosion\/ Modern Theories in brief.<\/p>\n<p><strong>UNIT-II: Corrosion Cell and Electrochemical Polarisation, over-potential\/ over-voltage<\/strong>: Potential \u2013 current diagrams (EVANS diagrams)\u2013Electrode potentials\u2013EMF series\u2013Galvanic series\u2013 Corrosion potential\u2013Corrosion current density\u2013Thermodynamics of corrosion as irreversible electrode process, Tafel equation for over-voltage and evaluation of corrosion rates from current \u2013 potential data;,\u2013 Corrosion rate expressions: ipy (inches per year penetration), mpy (mils per year), mdd (milligrams per decimetre square per day).<\/p>\n<p><strong>UNIT-III: Forms of corrosion:<\/strong> Basis on which the corrosion processes have been categorized:\u00a0Uniform attack: A hypothetical case for comparison \u2013 Pitting factor, Examples for uniform\u00a0attack Localised corrosion: Pitting corrosion, crevice and gasket corrosion-Formation of micro climates \u2013 Filiform corrosion.<br \/>\n<strong>Galvanic corrosion<\/strong>: Electro chemical \u2013 Application of EMF in Galvanic series: Dezincification, bimetallic corrosion (two metal corrosion) \u2013 Differential concentration, differential temperature and differential stress corrosion cells. Application of Galvanic corrosion for parting and separation<\/p>\n<p><strong>UNIT-IV: Forms of Corrosion<\/strong>: Grain\u2013Grain boundary corrosion\u2013Intergranular Corrosion (IGC) in stainless steel (SS)\u2013Weld decay, knife line attack \u2013 Remedial measures for IGC. Stress corrosion cracking (SCC)\u2013Caustic cracking (Boiler corrosion), hydrogen damage, hydrogen embrittlement, season cracking of brasses and other alloys \u2013 Remedial measures. Fatigue Cracking\u2013Fatigue failures in corrosive media\u2013Remedial measures.<\/p>\n<p><strong>UNIT-V: Corrosion Testing:<\/strong> Testing Panels\/specimens \u2013Preparation\u2013Surface preparation of specimens for testing\u2013Testing media\u2013Static and flow of dynamic test\u2013Effect of flow, oxidiser concentration, temperature and medium concentration.<br \/>\n<strong>Testing Methods<\/strong>: Weight loss method, corrosion rates evaluation using Faraday\u2019s laws, linear polarization techniques from current potential data\u2013Rapid estimation of corrosion rate\u2013Corrosion measurements gadgets\u2013such as pitting gauge\u2013Corrosion rate data representation\u2013Nanographs.<\/p>\n<p><strong>UNIT-VI: Corrosion Control:<\/strong> Organic coatings (paints, varnishes, lacquer, anti\u2013corrosive paints)\u00a0Inorganic \u2013 Chemical conversion coatings such as, Anodizing, Phosphating, Chromating \u2013 Metallic coatings; Cladding; Design considerations\u2013Equipment &amp; Layout Design for easy access; Linear polarization for rapid estimation of corrosion rate; Impedance method in brief. Cathodic protection\u2013Anodic protection\u2013Materials: New materials for corrosion prevention, Alloys \u2013 Composite structure \u2013 Particulate composites. Corrosion inhibition using Corrosion inhibitors \u2013 Modification of medium.<\/p>\n<p><strong>Outcomes<\/strong><\/p>\n<ul>\n<li>Definitions and economic aspects would give the students a wide scope about this topic.<\/li>\n<li>Mechanism will give the student basic chemical reactions resulting in oxidation and corrosion.<\/li>\n<li>Various types of corrosion have been discussed; all these are mostly encountered in the industrial practice. This helps the students to diagnose the type of corrosion, its consequences in the deterioration of the material and its properties.<\/li>\n<li>Remedial measures and corrosion mitigation techniques, helps the student to apply the principles while designing the equipment.<\/li>\n<li>The students will be able to choose a suitable material for a given situation and apply the techniques for the protection of the material\/equipment\/devices.<\/li>\n<li>Students can apply the inhibition methods to modify the medium or the equipment to increase the life\/longevity of the component\/structure\/equipment\/device.<\/li>\n<\/ul>\n<p><strong>Text Books<\/strong><\/p>\n<ul>\n<li>Corrosion and Corrosion control, Herbert H. Uhlig &amp; R. Winston Revie, 4th Edition, John Wiley &amp; Sons, 2008.<\/li>\n<li>Corrosion Engineering, Mars G. Fontana, 3rd Edition, Tata McGraw-Hill, 2005.<\/li>\n<li>Hand book of Corrosion Engineering, H H Uhlig, 3rd Edition, John Wiley &amp; Sons, 2011.<\/li>\n<\/ul>\n<p>For more information about all JNTU updates please stay connected to us on FB and don\u2019t hesitate to ask any questions in the comment.<\/p>\n<div class=\"a9916ad81d5189659b0bfae0b37c143c\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-1181153414625576\"\r\n     data-ad-slot=\"8060844699\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>JNTUK B.Tech Corrosion &amp; Its Control gives you detail information of Corrosion &amp; Its Control R13 syllabus It will be help full to understand you complete curriculum of the year. [&hellip;]<\/p>\n","protected":false},"author":2259,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-1328","post","type-post","status-publish","format-standard","hentry","category-syllabus"],"_links":{"self":[{"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/posts\/1328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/users\/2259"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/comments?post=1328"}],"version-history":[{"count":1,"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/posts\/1328\/revisions"}],"predecessor-version":[{"id":1329,"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/posts\/1328\/revisions\/1329"}],"wp:attachment":[{"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/media?parent=1328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/categories?post=1328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inspirenignite.com\/jntuk\/wp-json\/wp\/v2\/tags?post=1328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}