ASTM E2354-2004 Standard Guide for Assessing the Durability of Absorptive Electrochromic Coatings within Sealed Insulating Glass Units《密封绝缘玻璃设备内吸收性电致变色涂层的耐用性评估用标准指南》.pdf
《ASTM E2354-2004 Standard Guide for Assessing the Durability of Absorptive Electrochromic Coatings within Sealed Insulating Glass Units《密封绝缘玻璃设备内吸收性电致变色涂层的耐用性评估用标准指南》.pdf》由会员分享,可在线阅读,更多相关《ASTM E2354-2004 Standard Guide for Assessing the Durability of Absorptive Electrochromic Coatings within Sealed Insulating Glass Units《密封绝缘玻璃设备内吸收性电致变色涂层的耐用性评估用标准指南》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E 2354 04Standard Guide forAssessing the Durability of Absorptive ElectrochromicCoatings within Sealed Insulating Glass Units1This standard is issued under the fixed designation E 2354; the number immediately following the designation indicates the year oforiginal adoption or, in the ca
2、se of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide provides the recommended sequence forusing the referenced ASTM test methods fo
3、r assessing thedurability of absorptive electrochromic coatings (ECCs) withinsealed insulating glass units. Cross sections of typical electro-chromic windows (ECWs) have three to five-layers of coatingsthat include one to three active layers sandwiched between twotransparent conducting electrodes (T
4、CEs, see Section 3). Ex-amples of the cross-sectional arrangements can be found2in“Evaluation Criteria and Test Methods for ElectrochromicWindows.” (For a list of acronyms used in this Standard, seeAppendix X1, Section X1.1).1.2 This guide is applicable only for layered (one or moreactive coatings b
5、etween the TCEs) absorptive ECCs on visionglass (superstrate and substrate) areas planned for use in IGUsfor buildings, such as glass doors, windows, skylights, andexterior wall systems. The layers used for electrochromicallychanging the optical properties may be inorganic or organicmaterials betwee
6、n the superstrate and substrate.1.3 The ECCs used in this guide will ultimately be exposed(Test Method E 2141) to solar radiation and deployed tocontrol the amount of radiation by absorption and reflectionand thus, limit the solar heat gain and amount of solar radiationthat is transmitted into the b
7、uilding.1.4 This guide is not applicable to other types of coatings onvision glass with other chromogenic coatings, for example,photochromic and thermochromic coatings.1.5 This guide is not applicable to IGUs that will beconstructed from superstrate or substrate materials other thanglass.1.6 The tes
8、t methods referenced in this guide are laboratorytest methods conducted under specified conditions.1.7 The values stated in metric (SI) units are to be regardedas the standard.1.8 There is no comparable International Standards Organi-zation Standard.1.9 This standard does not purport to address all
9、of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:3C 168 Terminology Rel
10、ating to Thermal InsulationE 2094 Practice for Evaluating the Service Life of Chro-mogenic GlazingsE 2141 Test Methods for Assessing the Durability of Ab-sorptive Electrochromic Coatings on Sealed InsulatingGlass UnitsE 2188 Test Method for Insulating Glass Unit PerformanceE 2190 Specification for I
11、nsulating Glass Unit Performanceand EvaluationE 2240 Test Method for Assessing the Current-VoltageCycling Stability at 90C (194F) of Absorptive Electro-chromic Coatings on Sealed Insulating Glass UnitsE 2241 Test Method for Assessing the Current-VoltageCycling Stability at Room Temperature (194F) of
12、Absorp-tive Electrochromic Coatings on Sealed Insulating GlassUnitsE 2355 Test Method for Measuring the Uniformity of anAbsorptive Electrochromic Coating on a Glazing SurfaceNOTE 1the following draft standards will be added to this guide afterthey have been successfully balloted.E RRR Test Method fo
13、r Measuring the Stability to ThermalShock of Sealed Insulating Glass Units with an OperatingAbsorptive Electrochromic CoatingE ZZZ Test Method for Assessing the Stability in HighHumidity and Cyclic Temperature Environments of anAbsorptive Electrochromic Coating within Sealed Insulat-ing Glass Units2
14、.2 Canadian Standard:CAN/CGSB12.8 Insulating Glass Units1This guide is under the jurisdiction of ASTM Committee E06 on Performanceof Buildings and is the direct responsibility of Subcommittee E06.22 on DurabilityPerformance of Building Constructions.Current edition approved April 1, 2004. Published
15、April 2004.2Czanderna, A. W., and Lampert, C. M., “Evaluation Criteria and Test Methodsfor Electrochromic Windows,” SERI/PR-255-3537, Solar Energy Research Institute,Golden, CO, July 1990.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at service
16、astm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3. Terminology3.1 DefinitionsRefer to Terminology C 168 fo
17、r definitionsof general terms.3.2 Definitions of Terms Specific to This Standard:3.2.1 accelerated aging testan aging test in which the rateof degradation of building components or materials is inten-tionally accelerated from that expected in actual service.3.2.2 bleached statea descriptor for an EC
18、W when noions reside in the electrochromic layer or after ions have beenremoved (or inserted, depending on the type of material) fromthe electrochromic layer(s) and if applicable, the maximumnumber of ions have been returned to the counterelectrodelayer to restore the photopic optical specular trans
19、mittance inthe bleached state (tb) from that of the photopic opticalspecular transmittance in the colored state (tc).3.2.3 chromogenic glazingis defined in Practice E 2094,but also see Appendix X1, Section X1.3.3.2.4 colored statea descriptor for an ECW after ionshave been inserted (or removed, depe
20、nding on the type ofmaterial) into the electrochromic layer and, if applicable,removed from the counterelectrode layer to reduce the photo-pic optical specular transmittance (of wavelengths from 400nm to 730 nm) from that in the bleached state (tb).3.2.5 control parameters for an electrochromic coat
21、ing(ECC)the time dependent voltage or current profile that issupplied by the manufacturer of the ECW in which the voltageor current is applied to the ECC for achieving the desired cyclicchanges from the bleached state to the colored state and backto the bleached state.3.2.6 durabilitythe capability
22、of maintaining the service-ability of a product, component, assembly, or construction overa specified time.3.2.7 electrochromic coating (ECC)the multilayered ma-terials that include the electrochromic layers, other layers, andtransparent conducting oxide layers required for altering theoptical prope
23、rties of the coating.3.2.8 electrochromic layer(s)the material(s) in an ECWthat alter its optical properties in response to the insertion orremoval of ions, for example, Li+or H+.3.2.9 electrochromic window (ECW)a device with anECC consisting of several layers of electrochromic and atten-dant materi
24、als, which are able to alter their optical properties inresponse to a change in an applied electric field. The change-able optical properties include transmittance, reflectance, andabsorptance result in changes in the solar heat gain, visibletransmittance, and U-factor of the window.3.2.10 fenestrat
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