{"id":4705,"date":"2026-10-25T22:05:09","date_gmt":"2026-10-25T14:05:09","guid":{"rendered":"https:\/\/www.carbon-fiber-corp.com\/composite-dsc-residual-cure-reference-basis\/"},"modified":"2026-10-25T22:05:09","modified_gmt":"2026-10-25T14:05:09","slug":"composite-dsc-residual-cure-reference-basis","status":"publish","type":"post","link":"https:\/\/www.carbon-fiber-corp.com\/ru\/composite-dsc-residual-cure-reference-basis\/","title":{"rendered":"DSC Residual Cure in Composites: Keep the Reference Reaction and Sample Basis"},"content":{"rendered":"<style>.ly-note{max-width:880px;margin:0 auto;color:#26333c;line-height:1.85;font-size:17px}.ly-note h2{font-size:1.5rem;line-height:1.35;margin:1.8em 0 .6em}.ly-note p{margin:0 0 1.2em}.ly-note .intro{font-size:1.08em}.ly-note figure{margin:2em 0}.ly-note figure img{display:block;width:100%;height:auto}.ly-note figcaption{font-size:.88rem;color:#60727d;line-height:1.55;margin-top:10px}.ly-note ul{padding-left:1.4em}.ly-note li{margin:.45em 0}.ly-note a{color:#8e1e34;text-decoration:underline;text-underline-offset:3px}.ly-note .notes{padding:20px 28px;background:#f0f4f5;border-left:3px solid #296c85;margin:2em 0}.ly-note .notes h2{font-size:1.1rem;margin:0 0 .8em}.ly-note .reading{border-top:1px solid #d9e1e5;margin-top:2em;padding-top:1.1em}.single-post .entry-title{font-size:clamp(1.8rem,3.8vw,2.6rem);line-height:1.25}.single-post .post-thumb-img-content img{width:100%;height:auto;max-height:360px;object-fit:contain;background:#fbfcfc}@media(max-width:600px){.ly-note{font-size:16px}.ly-note h2{font-size:1.3rem}.ly-note .notes{padding:17px}}<\/style><div class=\"ly-note\"><p class=\"intro\">A residual-cure result from differential scanning calorimetry needs the sample identity, thermal program and calculation basis. A small remaining exotherm does not explain itself. Keep the reference used to calculate a degree of cure with the reported value.<\/p><h2>Identify what entered the instrument<\/h2><p>State whether the sample is resin, prepreg or a piece of the cured laminate, and retain its relevant history. Reinforcement and resin are different contributions to the sample mass. The laboratory should identify the normalization basis used when results from different material forms are compared.<\/p><h2>Read the reference behind a percentage<\/h2><p>TA Instruments describes residual heat of reaction as one route to assessing cure. A degree-of-cure calculation needs the appropriate reaction reference, not only the remaining peak area. Preserve the processing and integration information needed to interpret the reported result.<\/p><h2>Use the result within its scope<\/h2><p>Retain which location and batch the specimen represents. A local thermal-analysis result is different evidence from a visual surface check, a glass-transition value or a complete structural qualification. If the sample preparation or thermal program changes, keep the output tied to that changed analysis. This makes a percentage useful without presenting it as a universal acceptance rule for every carbon fiber part.<\/p><figure><a href=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-07-dsc-2.webp\" aria-label=\"Open the full-size diagram\"><img src=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-07-dsc-2.webp\" alt=\"Resin mass basis, sampled location and analysis identity accompany a reported cure result.\" width=\"1600\" height=\"1000\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption>Resin mass basis, sampled location and analysis identity accompany a reported cure result. <a href=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-07-dsc-2.webp\">View full size<\/a>.<\/figcaption><\/figure><aside class=\"notes\"><h2>For the drawing review<\/h2><ul><li>Material form, sample location and history<\/li><li>Thermal program and integration basis<\/li><li>Reference reaction and mass normalization<\/li><li>Scope of the represented result<\/li><\/ul><\/aside><p>Further reading: <a href=\"https:\/\/www.tainstruments.com\/pdf\/literature\/TA389.pdf\">TA Instruments: DSC residual cure and reaction reference<\/a>.<\/p><div class=\"reading\"><p>Related: <a href=\"https:\/\/www.carbon-fiber-corp.com\/composite-glass-transition-service-temperature\/\">Glass Transition Temperature Is Not a Service Temperature Rating<\/a> \u00b7 <a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-laminate-poisson-ratio-direction-labels\/\">Poisson\u2019s Ratio for a Carbon Laminate: State the Loaded and Transverse Directions<\/a>.<\/p><p><a href=\"https:\/\/www.carbon-fiber-corp.com\/contact\/\">Discuss your component with Litian Yunde<\/a> \u00b7 <a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-guides\/\">Browse the component guides<\/a><\/p><\/div><\/div><script type=\"application\/ld+json\" class=\"ly-article-schema\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BlogPosting\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/composite-dsc-residual-cure-reference-basis\/#article\", \"headline\": \"DSC Residual Cure in Composites: Keep the Reference Reaction and Sample Basis\", \"description\": \"Interpret composite DSC residual-cure results with their reaction reference, thermal program and mass basis. Keep the sampled material and calculation scope visible.\", \"image\": [\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-07-dsc-1.webp\", \"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261025-b03-07-dsc-2.webp\"], \"datePublished\": \"2026-10-25T14:05:09Z\", \"mainEntityOfPage\": {\"@type\": \"WebPage\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/composite-dsc-residual-cure-reference-basis\/\"}, \"author\": {\"@type\": \"Organization\", \"name\": \"Litian Yunde\", \"url\": \"https:\/\/www.carbon-fiber-corp.com\/about\/\"}, \"publisher\": {\"@type\": \"Organization\", \"name\": \"Dongguan Litian Yunde New Materials Technology Co., Ltd.\", \"url\": \"https:\/\/www.carbon-fiber-corp.com\/\"}, \"inLanguage\": \"en\", \"articleSection\": \"Inspection & Testing\"}<\/script>","protected":false},"excerpt":{"rendered":"<p>A residual-cure result from differential scanning calorimetry needs the sample identity, thermal program and calculation basis. A small remaining exotherm does not explain itself. Keep the reference used to calculate a degree of cure with the reported value.<\/p>","protected":false},"author":1,"featured_media":4671,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"DSC Residual Cure and Composite Sample Basis | Litian Yunde","_seopress_titles_desc":"Interpret composite DSC residual-cure results with their reaction reference, thermal program and mass basis. 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A small remaining exotherm does not explain itself. Keep the reference used to calculate a degree of cure with the reported value.","_links":{"self":[{"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/posts\/4705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/comments?post=4705"}],"version-history":[{"count":0,"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/posts\/4705\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/media\/4671"}],"wp:attachment":[{"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/media?parent=4705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/categories?post=4705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.carbon-fiber-corp.com\/ru\/wp-json\/wp\/v2\/tags?post=4705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}