Which of the following is/are the types of diffusion coatings?(a) Sherardizing – zinc(b) Chromizing – chromium(c) Alonizing – aluminum(d) Sherardizing – zinc, chromizing – chromium and alonizing – aluminumI had been asked this question in an interview for job.My doubt is from Corrosion Prevention topic in portion Corrosion Prevention of Corrosion Engineering

Which of the following is/are the types of diffusion coatings?(a) Sher

1.	Which of the following is/are the types of diffusion coatings?(a) Sherardizing – zinc(b) Chromizing – chromium(c) Alonizing – aluminum(d) Sherardizing – zinc, chromizing – chromium and alonizing – aluminumI had been asked this question in an interview for job.My doubt is from Corrosion Prevention topic in portion Corrosion Prevention of Corrosion Engineering
Answer» Correct OPTION is (d) Sherardizing – zinc, chromizing – chromium and alonizing – aluminum For EXPLANATION: Types of diffusion coatings: i. Sherardizing – zinc ii. Chromizing – chromium iii. Alonizing – aluminum iv. CARBURIZING – carbon v. NITRIDING – nitrogen.

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