Heat / cold, followed by lots of hammer treatment? Different alloys might expand / contract at different rates* and loosen it enough for the brute force approach?
*I am far from a metallurgist and have no idea whether this is true or whether or not heat / cold will make the bit you want to keep more brittle
Heat / cold, followed by lots of hammer treatment? Different alloys might expand / contract at different rates* and loosen it enough for the brute force approach?
*I am far from a metallurgist and have no idea whether this is true or whether or not heat / cold will make the bit you want to keep more brittle