[ Problem Point ]
I was looking for a way to remove rusty bolts in an environment where gas is not available.
[ ⇒Kaizen Point ]
It was heated to a high temperature using a halogen point heater.
I was able to remove it without using gas.
Related page:
No.29 The distortion test by partial heating of precision parts 
No.38 Experimental study on high temperature dynamic characteristics of rocks 
No.19 Performance testing of heat-resisting metal 
No.42 Synthesis of alloy particle 
No.22 High-temperature sterilization of Supatera 
No.44 Thermal expansion evaluation of a special alloys 
No.23 Temperature setting of the tensile testing machine (non-magnetic material and high temperature) 
No.43 Thermal expansion evaluation of semiconductors