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Shuang-Ling Chong | |
|---|---|
| Born | |
| Nationality | American |
| Alma mater | Rutgers University |
| Known for | Chemistry |
| Scientific career | |
| Fields | Chemistry, Material Science |
| Institutions | Turner-Fairbank Highway Research Center |
| Doctoral advisor | Sidney Toby |
Shuang-Ling Chong (nee Cheng) is a Chinese-American chemist known for her work in the testing and evaluation of bridge coatings.
Born in Shanghai, China, Chong received a B.S. in Chemistry from National Cheng Kung University, Taiwan in 1964 and a Ph.D. in Physical Chemistry from Rutgers University in 1969, with Prof. Sidney Toby as her thesis advisor.
Dr. Chong was a research scientist for the US Department of Energy before serving as the head of the Paint & Corrosion Laboratory[1] at the Turner-Fairbank Highway Research Center at the US Federal Highway Administration. The Paint and Corrosion Laboratory "develops innovative cyclic laboratory test methods for evaluating bridge coating performance and highly reproducible techniques for evaluating coating failures."[2]
The US Government Accountability Office estimated that bridge damage due to corrosion cost the US $13.6 billion annually.[3] Three major failures in a list of bridge failures cite corrosion as a factor.
Chong’s notable contributions towards combating corrosion on bridges include:
1. She was one of the first to develop a freeze-thaw testing cycle[4] which improved the international testing standard for coatings (ISO 20340, later ISO 12944-9).[5]
2. She developed a scribe, expose, and measure method for quantifying corrosion-resistance of coatings (ASTM Standard D7087-05A, later ASTM D1654-08).[6][7]
3. She also discovered that excessive particle size in zinc additives leads to premature paint failure,[8] which helped lead corrosion experts to consider maximum particle size in addition to minimum overall zinc concentration.[9]
References[edit]
- ^ "Paint And Corrosion Laboratories Fact Sheet".
- ^ "Coatings and Corrosion Laboratory Assessment Summary Report".
- ^ "Highway Bridges: Federal Highway Administration Could Better Assist States with Information on Corrosion Practices. GAO Report to Congressional Committees, September 2021" (PDF).
- ^ "S. L. Chong, and K. P. Chong, Chong Cycle, Durability Issues and Accelerated Tests, Journal of Mechanics and MEMS, Vol. 1, No. 2, pp. 133-143, Dec. 2009" (PDF).
- ^ "ISO 20340:2009 Paints and varnishes: Performance requirements for protective paint systems for offshore and related structures".
- ^ "Shuang-Ling Chong and Yuan Yao, Laboratory Evaluation of Waterborne Coatings on Steel, FHWA-RD-03-032, April 2003".
- ^ "ASTM D7087-05A(TEST METHOD) Standard Test Method for An Imaging Technique to Measure Rust Creepage at Scribe on Coated Test Panels Subjected to Corrosive Environments".
- ^ Chong, Shuang-Ling; Yao, Yuan (December 2000). "Shuang-Ling Chong and Yuan Yao, Laboratory and Test-Site Testing of Moisture-Cured Urethanes on Steel in Salt-Rich Environment. FHWA-RD-00-154, December 2000".
- ^ "Zinc Epoxy Primers: How Do You Select Which To Use?". 6 December 2023.
External links[edit]
- Shuang-Ling Chong publications indexed by Google Scholar