{"id":616523,"date":"2024-11-05T23:20:31","date_gmt":"2024-11-05T23:20:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-4524-22000\/"},"modified":"2024-11-05T23:20:31","modified_gmt":"2024-11-05T23:20:31","slug":"iso-4524-22000","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-4524-22000\/","title":{"rendered":"ISO 4524-2:2000"},"content":{"rendered":"<p>This part of ISO 4524 provides procedures for conducting mixed flowing gas (MFG) environmental tests involving<\/p>\n<p>exposures to controlled quantities of corrosive gas mixtures.<\/p>\n<p>It describes the required equipment and the methods for gas, temperature and humidity control that enable tests to<\/p>\n<p>be conducted in a reproducible manner. Reproducibility is measured through the use of control coupons the<\/p>\n<p>corrosion films of which are evaluated by mass gain, coulometry or by various electron and X-ray beam analysis<\/p>\n<p>techniques. Reproducibility can also be measured by in situ corrosion rate monitors using electrical resistance or<\/p>\n<p>mass frequency change methods.<\/p>\n<p>MFG tests can be used to:<\/p>\n<p>_ evaluate novel electrical contact metallization for susceptibility to degradation due to environmental exposure<\/p>\n<p>to the test corrosive gases;<\/p>\n<p>_ evaluate the shielding capability of connector housings that may act as a barrier to the ingress of corrosive<\/p>\n<p>gases;<\/p>\n<p>_ evaluate the susceptibility of other connector materials such as plastic housings to degradation from the test<\/p>\n<p>corrosive gases.<\/p>\n<p>MFG tests are not normally:<\/p>\n<p>_ used as porosity tests (for guidance on porosity testing, see ISO 10308, Metallic coatings \u2014 review of porosity<\/p>\n<p>tests);<\/p>\n<p>_ applicable where the failure mechanism is other than pollutant gas corrosion such as in tin-coated separable<\/p>\n<p>contacts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Metallic coatings \u2014 Test methods for electrodeposited gold and gold alloy coatings \u2014 Part 2: Mixed flowing gas (MFG) environmental tests<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>2000-03<\/td>\n<td>38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":616531,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[442,2634],"product_tag":[],"class_list":{"0":"post-616523","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-25-220-40","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/616523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/616531"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=616523"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=616523"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=616523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}