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将铝合金浸入氯化钠和过氧化氢溶液中进行热处理时抗晶粒间腐蚀的评定  
 【英文标准名称】  Standard Practice for Evaluating Intergranular Corrosion Resistance of Heat Treatable Aluminum Alloys by Immersion in Sodium Chloride + Hydrogen Peroxide Solution
 【原文标准名称】  将铝合金浸入氯化钠和过氧化氢溶液中进行热处理时抗晶粒间腐蚀的评定
 【标准号】  ASTM G110-1992(2003)e1
 【标准状态】  Active
 【国别】  
 【发布日期】  1992
 【实施或试行日期】  
 【发布单位】  美国材料与试验协会(US-ASTM)
 【起草单位】  G01.05
 【标准类型】  (Practice)
 【标准水平】  ()
 【中文主题词】  材料试验;腐蚀;铝合金
 【英文主题词】  2XXX aluminum alloys; 6XXX aluminum alloys; 7XXX aluminum alloys; heat treatable aluminum alloys; intergranular corrosion; intercrystalline corrosion
 【摘要】  

This practice is especially useful for evaluating the adequacy of quenching when performed on material in the as-quenched condition. The practice may also be used to study the effect of subsequent thermal processes (for example, paint or bonding cures) or of actual precipitation treatments on the inherent type of corrosion. Intergranular corrosion resistance of heat treatable aluminum alloys is often directly related to the quenching conditions applied after solution heat treatment and to the subsequent aging treatment.6

This practice is not well suited for non-heat treatable work hardening aluminum alloys, such as the 1XXX, 3XXX, and 5XXX series (see Test Method G 67).

This practice does not deal with the interpretation of resulting intergranular corrosion. The significance of the extent and depth of any intergranular corrosion resulting from this test is to be agreed upon between producer and user.

1.1 This practice covers the procedures for immersion tests in sodium chloride + hydrogen peroxide solution. It is primarily for tests of wrought heat treatable aluminum alloys (2XXX and 7XXX) but may be used for other aluminum alloys, including castings. It sets forth the specimen preparation procedures and the environmental conditions of the test and the means for controlling them.

1.2 This practice is intended for evaluations during alloy development and for evaluating production where it may serve as a control test on the quality of successive lots of the same material (see MIL-H-6088 and U.S. Federal Test Method Std. 151b). Therefore strict test conditions are stipulated for maximum assurance that variations in results are attributable to lot-to-lot differences in the material being tested.

Note 18212;This practice does not address sampling or interpretation or significance of results.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 【中国标准分类号】  H61
 【国际标准分类号】  
 【页数】  3P.;A4
 【正文语种】  
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