Question

At what temperature, does fusion welding takes place?

(a) 850°C

(b) 900°C

(c) 950°C

(d) 1000°C

The question was posed to me in semester exam.

I want to ask this question from Solid State Welding in chapter Welding and Related Processes of Casting-Forming-Welding II

Answer 1

The correct answer is (b) 900°C

Explanation: The process of fusion welding can be used for joining metal to a metal or a metal can be joined to a ceramic. For the joining of this process, a temperature of 900°C is provided for the approach.