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ISO 1431-1-2012簡介
ISO 1431-1是關(guān)于《塑膠、硫化橡膠或熱塑性橡膠耐臭氧龜裂》的測試方法，ISO 1431-1-2012是第五版發(fā)布，ISO 1431-1-2012取消并代替了第四版(ISO 1431-1:2004)，這是一種技術(shù)性修訂，主要添加了校準(zhǔn)規(guī)程(附件B)并且提出了一套完整的簡單評定量表(附件C)。
它還包括修訂ISO 1431-1:2004 / AMD1:2009 。
ISO 1431由以下部分組成，主要關(guān)于橡膠，硫化或熱塑性-耐臭氧龜裂：
第1部分：靜態(tài)和動態(tài)應(yīng)變測試
第3部分：實驗室試驗室中臭氧濃度測定的參考和替代方法
第2部分在第1部分的前修訂中以及與原版本ISO 1431-1-2004與第1部分結(jié)合。
ISO 1431-1-2012英文原文摘錄
1 Scope
This part of ISO 1431 specifies procedures intended for use in estimating the resistance of vulcanized or thermoplastic rubbers to cracking when exposed, under static or dynamic tensile strain, to air containing a definite concentration of ozone and at a definite temperature in circumstances that exclude the effects of direct light.
Great caution is necessary in attempting to relate standard test results to service performance since the relative ozone resistance of different rubbers can vary markedly depending on the conditions, especially ozone concentration and temperature. In addition, tests are carried out on thin test pieces deformed in tension and the significance of attack for articles in service can be quite different owing to the effects of size and of the type and magnitude of the deformation. Explanatory notes on the nature of ozone cracking are given in Annex A.Reference and alternative methods for determining the ozone concentration are described in ISO 1431-3.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 37, Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties
ISO 1431-3, Rubber, vulcanized or thermoplastic — Resistance to ozone cracking — Part 3: Reference and alternative methods for determining the ozone concentration in laboratory test chambers
ISO 18899:2004, Rubber — Guide to the calibration of test equipment
ISO 23529, Rubber — General procedures for preparing and conditioning test pieces for physical test methods
ISO 1431-1-2012 PDF下載
