{"id":2391,"date":"2025-09-12T10:33:04","date_gmt":"2025-09-12T02:33:04","guid":{"rendered":"https:\/\/www.dhtchamber.com\/?p=2391"},"modified":"2025-09-16T09:20:46","modified_gmt":"2025-09-16T01:20:46","slug":"the-technical-support-role-of-environmental-test-chambers-in-new-material-development","status":"publish","type":"post","link":"https:\/\/www.dhtchamber.com\/fr\/the-technical-support-role-of-environmental-test-chambers-in-new-material-development\/","title":{"rendered":"Le r\u00f4le du support technique des chambres d'essai environnementales dans le d\u00e9veloppement de nouveaux mat\u00e9riaux"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2391\" class=\"elementor elementor-2391\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7813321a e-flex e-con-boxed e-con e-parent\" data-id=\"7813321a\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3487095b elementor-widget elementor-widget-text-editor\" data-id=\"3487095b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"DEpOdlhXQoj8UPxxJsgcnHVxnDe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div><div style=\"text-align: center;\" data-zone-id=\"0\" data-line-index=\"0\" data-line=\"true\"><strong>\u00c9crit par Robin<\/strong><\/div><div data-zone-id=\"0\" data-line-index=\"0\" data-line=\"true\"><div><div style=\"text-align: center;\" data-zone-id=\"0\" data-line-index=\"0\" data-line=\"true\"><strong>Ing\u00e9nieur principal, Doaho Test (DHT\u00ae)<\/strong><\/div><\/div><\/div><\/div><h3 class=\"heading-3 ace-line old-record-id-OonbdqK5aoOFukxFFaqc9K6qnab\">Challenges in New Material Development and the Core Value of Environmental Testing<\/h3><div class=\"ace-line ace-line old-record-id-CVK6dDdgjoRCqPxhzaVc3T6xnHf\">The development of new materials is a long and uncertain process. Scientists and engineers not only focus on the superior performance of materials under ideal conditions but must also anticipate the environmental stresses materials may face throughout their lifecycle. Sudden temperature changes, humidity corrosion, UV aging, salt spray erosion\u2014these factors can cause material aging, performance degradation, or even critical failures. Against this backdrop, the value of the <a href=\"https:\/\/www.dhtchamber.com\/fr\/category\/products\/environmental-chamber\/\"><strong>chambre environnementale<\/strong><\/a> becomes evident.<\/div><h3 class=\"heading-3 ace-line old-record-id-HvNod4hZHoQWUlxzXvEcs8FKnVb\">Practical Applications of Environmental Test Chambers in New Material Development<\/h3><div class=\"ace-line ace-line old-record-id-ZFWKdUI2AobQFNx2Ut4cB2tGneh\">In new material R&amp;D, the role of an environmental test chamber is not limited to simulating environmental conditions\u2014it is also a crucial tool for identifying problems, validating performance, and optimizing solutions.<\/div><div><strong>Material Environmental Adaptability Assessment<\/strong><\/div><div class=\"ace-line ace-line old-record-id-UNJPdvG8Xodl3HxB1RdcEFshnQf\"><div><div>Environmental test chambers precisely control temperature, humidity, and other parameters to systematically evaluate material performance under different conditions. For example:<\/div><div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-TV60dlYkxoLpNpxUXI3cfQqanti\" data-list=\"bullet\"><div><strong>Extreme temperature testing<\/strong>: Aerospace materials must maintain mechanical stability from -55\u00b0C to +85\u00b0C.<\/div><\/li><li class=\"ace-line ace-line old-record-id-TlwpdYZPRovtzsxQJdacnmtgn2d\" data-list=\"bullet\"><div><strong>Damp heat aging test<\/strong>: Electronic packaging materials are tested at 85\u00b0C\/85%RH to assess moisture absorption and dimensional changes.<\/div><\/li><li class=\"ace-line ace-line old-record-id-RrmKda7jRoCEdAxxlEHc4j3en9d\" data-list=\"bullet\"><div><strong>Temperature change rate test<\/strong>: Composites are subjected to rapid temperature changes (e.g., 15\u00b0C\/min) to evaluate thermal stress resistance.<\/div><\/li><\/ul><\/div><\/div><\/div><div><strong>Material Aging Behavior Studies<\/strong><\/div><div class=\"ace-line ace-line old-record-id-GNzodqSPmon4FOxAhatc7SiLnHf\"><div><div>Accelerated aging tests are used to predict material lifespan:<\/div><div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-CyPAdklGCozeLdx9dofc23Pgns1\" data-list=\"bullet\"><div><strong>Arrhenius model<\/strong>: By raising environmental temperature (60\u00b0C\u2013150\u00b0C), material aging is accelerated and mechanical\/chemical properties are periodically measured.<\/div><\/li><li class=\"ace-line ace-line old-record-id-A2NWdohSHoySLNxUUtHctmmvnSd\" data-list=\"bullet\"><div><strong>Test UV<\/strong><strong> aging tests<\/strong>: Photovoltaic materials are exposed in QUV chambers to simulate outdoor UV radiation and evaluate molecular chain breakage.<\/div><\/li><li class=\"ace-line ace-line old-record-id-XNsfdpaIwoRrisxBJmfcdxeunlb\" data-list=\"bullet\"><div><strong>Cyclic corrosion tests<\/strong>: Automotive metals are tested under salt spray\u2013drying\u2013damp heat cycles to evaluate coating durability.<\/div><\/li><\/ul><\/div><\/div><\/div><div><strong>Material Stability Verification<\/strong><\/div><div class=\"ace-line ace-line old-record-id-HoZddjOD6ogi5NxMpzecAhMenkd\"><div><div>Environmental stress screening reveals potential defects:<\/div><div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-PWlSdqLzgo0w9WxXqrtc5yaInle\" data-list=\"bullet\"><div><strong>Thermal cycling tests<\/strong>: Electronic ceramics undergo -40\u00b0C to +125\u00b0C cycles to verify microcrack probability.<\/div><\/li><li class=\"ace-line ace-line old-record-id-NPBedDdKCokTkqx67v9chFVFngH\" data-list=\"bullet\"><div><strong>High\/low temperature storage tests<\/strong>: Lithium battery anode materials are tested under extreme storage conditions to assess phase structure stability.<\/div><\/li><li class=\"ace-line ace-line old-record-id-KaDidACpmoi1MexqHOBcdTzNn1b\" data-list=\"bullet\"><div><strong>Moisture sensitivity testing<\/strong>: Plastic-encapsulated semiconductor devices are classified according to IPC\/JEDEC MSL standards.<\/div><\/li><\/ul><\/div><\/div><\/div><div><strong>Functional Material Performance Characterization<\/strong><\/div><div class=\"ace-line ace-line old-record-id-BfqydA9CZofDGNxUr0KcNpVxntc\"><div><div>For specialized functional materials, environmental chambers provide detailed insights:<\/div><div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-WTcAdhTEjoPvpyxtudycQnYen6c\" data-list=\"bullet\"><div><strong>Phase-change materials<\/strong>: Paraffin-based materials are tested for phase transition temperature and latent heat.<\/div><\/li><li class=\"ace-line ace-line old-record-id-X7SpdINFrox8j2x6AlOc1MMHnCd\" data-list=\"bullet\"><div><strong>Shape-memory polymers<\/strong>: Recovery speed and temperature correlations are recorded under programmed thermal cycles.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YZALdDoItok10DxGeV6cKbjxnig\" data-list=\"bullet\"><div><strong>Hydrogels<\/strong>: Absorption and release dynamics are measured under humidity cycling.<\/div><\/li><\/ul><\/div><\/div><\/div><div><strong>Multi-Factor Coupled Environmental Testing<\/strong><\/div><div class=\"ace-line ace-line old-record-id-FmYJd5hy3o99gfxlg7Acgp44nvg\"><div><div>Complex real-world conditions are simulated:<\/div><div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-IBuQd2RnMo1lctx49j8cynifnhh\" data-list=\"bullet\"><div><strong>Temperature\u2013vibration combined tests<\/strong>: Aerospace composites are subjected to both temperature cycles and mechanical vibrations.<\/div><\/li><li class=\"ace-line ace-line old-record-id-WwtndcwXEoq0zDx3PdacdI1anhh\" data-list=\"bullet\"><div><strong>Temperature\u2013humidity\u2013salt spray tests<\/strong>: Marine engineering materials are evaluated under triple stress environments for corrosion rates.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Jn0wdMTsjozCCDxYtSTceFASnGb\" data-list=\"bullet\"><div><strong>Low pressure\u2013<\/strong><strong>Test UV<\/strong><strong> combined tests<\/strong>: Materials for plateau regions are simultaneously exposed to ultraviolet radiation and low-pressure conditions.<\/div><\/li><\/ul><\/div><\/div><\/div><div><strong>Standardized Compliance Testing<\/strong><\/div><div class=\"ace-line ace-line old-record-id-CTK7dnYC1oe1fAxZk3qcdjbsnrb\"><div><div>Chambers are also vital for certification testing based on international standards:<\/div><div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-Fc3IdJ1cFoNNG4x9FwFc3VxlnDb\" data-list=\"bullet\"><div><strong>ISO 4892<\/strong>: Xenon-arc aging tests for plastics.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Cxo5ddWuxoWZSrxx3eKc0VMWnoh\" data-list=\"bullet\"><div><strong>IEC 60068-2<\/strong>: Environmental testing standards for electronic products.<\/div><\/li><li class=\"ace-line ace-line old-record-id-JkjEd5x1XovUbCxR0KUcucA0n5e\" data-list=\"bullet\"><div><strong>ASTM<\/strong><strong> G154<\/strong>: UV aging tests for non-metallic materials.<\/div><\/li><\/ul><\/div><\/div><\/div><h2 class=\"heading-2 ace-line old-record-id-ZeB5dhoEJoaYtYxdeuDcBDfTntf\">Enceintes d'essais environnementaux DHT<\/h2><div class=\"ace-line ace-line old-record-id-VCYrdhHXQo8MVVxgSbmcnCWtnac\">As a benchmark brand for high-end environmental testing equipment in China, DHT\u00ae temperature and humidity chambers are widely applied in new material development, electronics, and new energy industries. They are renowned for precise control, outstanding stability, and intelligent design.<\/div><div><strong>Precise and Comprehensive <\/strong><strong>Environnement<\/strong><strong> Simulation<\/strong><\/div><div class=\"ace-line ace-line old-record-id-M8mLdQTs8oB2j9xcvgrcIRAUnFe\">DHT\u00ae chambers feature an independently developed intelligent control system and advanced air circulation design, covering temperatures from -70\u00b0C to +180\u00b0C and humidity ranges from 10% to 98% RH. With temperature uniformity as tight as \u00b10.5\u00b0C, they ensure highly reliable and repeatable test data for material R&amp;D.<\/div><div><strong>Exceptional Stability and Durability<\/strong><\/div><div class=\"ace-line ace-line old-record-id-MVfvdjNpCokPA4xAOUzcfjcNnqd\">Core components such as compressors and sensors are sourced from international brands, ensuring long-term stability. With extended service life, these chambers can withstand the demands of high-intensity R&amp;D testing.<\/div><div><strong>Intelligent Control and Efficient Management<\/strong><\/div><div class=\"ace-line ace-line old-record-id-C7kvdMx2eoU6GBxPdUJcwPBYnOb\">Equipped with a color touchscreen and PLC control system, DHT\u00ae chambers support program editing, remote monitoring, and data export. Standard USB storage allows real-time data recording and PC-based curve printing. Optional Ethernet\/network monitoring enables remote management, meeting the needs of modern laboratories.<\/div><div><strong>Protection compl\u00e8te de la s\u00e9curit\u00e9<\/strong><\/div><div class=\"ace-line ace-line old-record-id-F8Mtd1O4KoZn8KxSrrycxaqenVM\">Multiple safety mechanisms\u2014including leakage protection, compressor overpressure protection, over-temperature alarms, and phase sequence protection\u2014ensure reliable and safe long-term operation.<\/div><h2 class=\"heading-2 ace-line old-record-id-DAs6djvrBofmfexCDarc8VBKnRb\">Case Study: Water Resistance Testing of New Energy Battery Separators<\/h2><div class=\"ace-line ace-line old-record-id-HNOpdBYskohZloxDOVIc9xE6nXb\">A research institute focused on developing materials for EV power batteries needed to evaluate the performance of common PP\/PE separators under varying humidity conditions, as high humidity may degrade separator performance and cause battery failures.<\/div><div class=\"ace-line ace-line old-record-id-WvE6dOdVToP3dwxj4gvcSrYOnsc\"><strong>The institute used a DHT\u00ae temperature and humidity chamber (model ZHS-100HC) to conduct systematic evaluations:<\/strong><\/div><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-EWoVdoyCJo27Ntx0Oa5cX4LVngf\" data-list=\"bullet\"><div><strong>Accurate environmental simulation:<\/strong> Experiments were conducted at 25\u00b0C with three humidity levels: 40% RH (dry environment), 70% RH (humid environment), and 95% RH (extremely humid environment).<\/div><\/li><li class=\"ace-line ace-line old-record-id-DvAXdbaRFoOiJzxy9obcmhtBnZe\" data-list=\"bullet\"><div><strong>Long-term stability tests:<\/strong> Samples were placed in each condition for 72 continuous hours.<\/div><\/li><li class=\"ace-line ace-line old-record-id-OIzAdoXo6opBqZxMigRcjyzvnUb\" data-list=\"bullet\"><div><strong>Comprehensive performance evaluation:<\/strong> Post-treatment testing covered thickness variation, porosity, electrolyte permeability, and mechanical strength.<\/div><\/li><\/ul><div class=\"ace-line ace-line old-record-id-MvkGdYo9KoFVMKx4UTYclQwVnoe\">Results showed that at 95% RH, separators experienced significant performance decline: swelling, reduced porosity, slower electrolyte penetration, and weakened mechanical strength. These findings provided crucial insights for separator material selection, waterproofing design of battery packs, and industry standard-setting.<\/div><h2 class=\"heading-2 ace-line old-record-id-DRvzdQJ1LodHLlxvWrRckbfGn7c\">Conclusion<\/h2><div class=\"ace-line ace-line old-record-id-U86mdfxesozBycxSJaGcOfsTnQy\">The development of new materials cannot succeed without rigorous experimental validation, and the environmental test chamber serves as a vital bridge between research and real-world application. By enabling precise environmental simulations, it helps researchers uncover potential issues, validate reliability, and accelerate material commercialization. Choosing a stable, reliable, and well-supported environmental test chamber not only enhances R&amp;D efficiency but also gives companies a competitive edge in fast-paced markets.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c0eb08 e-flex e-con-boxed e-con e-parent\" data-id=\"2c0eb08\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2eb2d27 elementor-widget elementor-widget-button\" data-id=\"2eb2d27\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.dhtchamber.com\/fr\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get a Quote Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00c9crit par Robin, ing\u00e9nieur senior, Doaho Test (DHT\u00ae) D\u00e9fis dans le D\u00e9veloppement de Nouveaux Mat\u00e9riaux et la Valeur Fondamentale des Tests Environnementaux Le d\u00e9veloppement de nouveaux mat\u00e9riaux est un processus long et incertain. Les scientifiques et ing\u00e9nieurs ne se concentrent pas seulement sur la performance sup\u00e9rieure des mat\u00e9riaux dans des conditions id\u00e9ales, mais doivent \u00e9galement anticiper les contraintes environnementales auxquelles les mat\u00e9riaux peuvent \u00eatre confront\u00e9s [\u2026]<\/p>","protected":false},"author":1,"featured_media":2240,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6,11],"tags":[],"class_list":["post-2391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-industry-solutions"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/posts\/2391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/comments?post=2391"}],"version-history":[{"count":0,"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/posts\/2391\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/media\/2240"}],"wp:attachment":[{"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/media?parent=2391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/categories?post=2391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dhtchamber.com\/fr\/wp-json\/wp\/v2\/tags?post=2391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}