Metallurgical science for the welding inspector.
Metallurgical science is the study of internal structure of the metal, and the relationship between this structure and properties of metals. In metallurgical sc...
Author: Ivan Perfilyev
The polymorphic transformations in metals (Part 7).
The transformation hardening of crystalline phases is a promising method of hardening metals. At temperatures above T0, the low-temperature modification of α is...
Impact toughness testing (Part 2).
The Charpy impact test machine consists of the pendulum, support, lever, arrow and the scale. Since the task is to measure the energy absorbed during the destru...
Welder Qualification Test (Part 8).
The documentation execution is the only part of the welding control process. Another part is the welding inspector himself, whose task is to determine the quali...
The dependence of atoms ionization energy on the plasma temperature (Part 1).
The existence of a welding arch is provided with the plasma conductivity thanks to which through the arch there passes welding current. In turn, the plasma cond...