2 Questions 7 Answers 0 Followers
Questions related from A. V. Fedosov
Sometimes in hot spot we observe a gold patina on surface of closed shrinkage cavity. What is it? It interesting to me because usually I observe it when we have a problem with casting.
26 February 2017 8,164 0 View
Often we have oversize of massive elements of casting. This oversize can reach 5 % (look at the picture). This problem looks like material grows (ductile iron). We know that increase of metal...
29 September 2016 9,409 11 View
