Welding Repair of High Chromium Cast Iron Defects

Xing Hui Li

doi:10.4028/www.scientific.net/KEM.814.229

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 814Welding Repair of High Chromium Cast Iron Defects

Welding Repair of High Chromium Cast Iron Defects

Abstract:

Welded arc welding repair welding technology was used to repair the casting defects of high chromium cast iron ball mill liners. Select the same high-chromium cast iron as the casting. The diameter of the electrode is 4mm and the welding current is 150-160A. After welding, the castings were found to have no cracks by surface non-destructive testing. The macro-hardness was comparable to that of the matrix material, and the microstructure showed that the fused surface was a good metallurgical bond.

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Periodical:

Key Engineering Materials (Volume 814)

Pages:

229-232

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.814.229

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Online since:

July 2019

Authors:

Xing Hui Li*

Keywords:

Casting Defects, High Chromium Cast Iron, Welding Repair

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