Investigation of the properties of castings of VKNA-1VR intermetallic alloy after repairing defects by welding

Abstract

The conditions of manual argon-arc welding and filler materials were selected and investigations were carried out into the technological, mechanical and corrosion properties and the structure of welded joints in the VKNA-1VR intermetallic alloy. The possibilities of repairing casting defects in castings are also investigated.

Keywords::

• cast details
• crack resistance
• TIG
• build-up welding
• filler materials
• casting defects
• short-term durability
• long-term durability
• corrosion resistance
• structure

Notes

^1. Russian Federation patent No. 23898 116, 2009, Russian Federation patent No. 240 5851, 2009, Russian Federation patent No. 2398906, 2009.

^2. Russian Federation patent No. 2434068, 2010, Russian Federation patent No. 2451767, 2010.