可持续的智能防腐蚀保护.pdf

1、Sustainable,SmartCorrosionProtectionBenny Pearman,Ph.D.SynMatter Founder&CEOE:BennySynMatter.coISO-12944-9ASTM D5894ASTM B117Corrosion Test MethodsOutdoor ExposureSteady-State 5%NaCl solution 35C Continuous mist Time:2000-5000h Correlation toAtmospheric:0.11Cyclic 1 week UV/condensation 4h of 60C+34

2、0nm UV 4h of 50C+high RH 1 week salt spray/dry 1h of 0.05%NaCl&0.35%(NH)SO 1h 35C dry Typical time:2000h Correlation toAtmospheric:0.79Cyclic 3 days UV/condensation 4h of 60C+340nm UV 4h 50C+high RH 3 days salt spray/dry 5%NaCl solution 35C Neutral pH 1 day-20C Typical time:Depends on corrosivitycat

3、egory(C2-CX)48-4200h Correlation toAtmospheric:0.79?Outdoor Outdoor exposure Depends on location NASA/Key West:Hot/humid/salty New England/NorthDakota/North Sea:Cold,humid,salty Typical time:Depends on corrosivitycategory(C2-CX)0.5-5 years Correlation toAtmospheric:1.00Lowest CorrelationHighestCorre

4、lation2SynMatter NASA Corrosion Testing3ISO-12944-9ASTM D5894ASTM B117Corrosion Test MethodsOutdoor ExposureSteady-State 5%NaCl solution 35C Continuous mist Time:2000-5000h Correlation toAtmospheric:0.11Cyclic 1 week UV/condensation 4h of 60C+340nm UV 4h of 50C+high RH 1 week salt spray/dry 1h of 0.

5、05%NaCl&0.35%(NH)SO 1h 35C dry Typical time:2000h Correlation toAtmospheric:0.79Cyclic 3 days UV/condensation 4h of 60C+340nm UV 4h 50C+high RH 3 days salt spray/dry 5%NaCl solution 35C Neutral pH 1 day-20C Typical time:Depends on corrosivitycategory(C2-CX)48-4200h Correlation toAtmospheric:0.79?Out

6、door Outdoor exposure Depends on location NASA/Key West:Hot/humid/salty New England/NorthDakota/North Sea:Cold,humid,salty Typical time:Depends on corrosivitycategory(C2-CX)0.5-5 years Correlation toAtmospheric:1.00Lowest CorrelationHighestCorrelation4SynMattersSmart Corrosion Inhibitors(SCI)NASA In