What are the heat treatment processes for metals?
Annealing The heat treatment process in which steel specimens are heated to an appropriate temperature, and then cooled slowly after holding for a certain period of time, so as to
Annealing The heat treatment process in which steel specimens are heated to an appropriate temperature, and then cooled slowly after holding for a certain period of time, so as to
81.What is the cause of outlet flap failure? The outlet flap connecting shaft deforms and falls off, so the steel pipe on the diagonal arm cannot be sent to the
Induction brazing aluminum is a process that uses an electromagnetic field to heat up and join aluminum parts with a filler metal. It has some advantages over torch and furnace
60.What are the main defects in the ingot? Microsegregation.Macrosegregation 1) normal segregation 2) inverse segregation 3) specific gravity. Inclusion and porosity.Shrinkage cavity and porosity 61.What principles should be followed in
41.How does the metallurgical quality of steel affect the quenching crack? Steel parts can be processed by forging, casting, cold-drawn steel, hot-rolled steel, etc. All kinds of blanks or materials
21. What is fracture toughness? How to determine whether a part has low stress brittle fracture according to the fracture toughness of K1c, the working stress of the part, and
1. What are the commonly used quenching methods and explain the principles of selecting different quenching methods? Quenching method 1. Single-liquid quenching — the process of cooling to the end
There are ten common quenching methods in the heat treatment process, which are single medium (water, oil, air). Double medium quenching; Martensite graded quenching; Martensite fractional quenching below Ms point;
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