Table of Content

Categories:

Inspection of Welded Seams (25), Metallography and Heat Treatment of Metal (37), Non-Destructive Control (1), To become an Inspection Engineer (43)

Inspection of Welded Seams (25) ↑

2020/05/24 Interpretation of radiograph (Part 3).
2020/05/03 Interpretation of Radiographs (Part 2).
2018/11/03 The definition of the technological properties concept and the requirements for it. The technical and economic indicators of power sources. The criterion for selecting power sources for welding.
2018/04/09 The amount of metal evaporating from the cathode spot (Part 2).
2017/06/30 The power supply classification features. The potential distribution in the arc. The welding arc properties (Part 1).
2017/06/21 The non-existence of defects monitoring in the weld seams (Part 3).
2017/06/09 The non-existence of defects monitoring in the weld seams (Part 2).
2017/05/29 The dependence of atoms ionization energy on the plasma temperature (Part 2).
2017/05/24 Remains of the welding wire in the weld seam.
2017/05/12 The dependence of atoms ionization energy on the plasma temperature (Part 1).
2017/04/28 The current density distribution, temperature and gas flow velocity in the real welding arc (Part 3).
2017/04/26 The lack of fusion between layers.
2017/04/14 The current density distribution, temperature and gas flow velocity in the real welding arc (Part 2).
2017/04/12 The lack of side fusion.
2017/04/03 The current density distribution, temperature and gas flow velocity in the real welding arc (Part 1).
2017/03/17 Dividing of the real welding arc column into two parts (Part 2).
2017/03/01 Dividing of the real welding arc column into two parts (Part 1).
2017/02/03 The assessment methods of the weld metal tendency to hot cracking (Part 2).
2017/01/27 Methods of evaluation of the weld metal tendency to the formation of hot cracks (Part 1).
2017/01/18 Pores in welded seam (Part 2).
2017/01/09 Methods of evaluation welded seams durability for cold cracks formation (Part 2).
2016/12/28 Pores in welded joint (part 1).
2016/12/09 Incomplete fusion of the root of the welded seam.
2016/12/07 Methods of technological strength evaluation.
2016/12/03 Offset of facing run.

Metallography and Heat Treatment of Metal (37) ↑

2018/08/15 The heterogeneous nucleation.
2018/05/06 Dispersion hardening (aging) (Part 1).
2018/02/25 The crystals shape (Part 2).
2017/12/28 The metallographical tests.
2017/11/08 The crystalline structures.
2017/10/09 The surface work of the critical dimension nucleus formation.
2017/09/15 The isolation of the excess phase from the supersaturated solid solution (Part 2).
2017/08/11 The crystals shape (Part 2).
2017/08/02 The metal structure basis (Part 4).
2017/07/31 The crystallization process mechanisms.
2017/07/24 The isolation of the excess phase from the supersaturated solid solution (Part 1).
2017/07/19 The crystals shape (Part 1).
2017/07/17 The polymorphic transformations in alloys (Part 4).
2017/06/26 The metal structure basis (Part 3).
2017/06/23 The polymorphic transformations in alloys (Part 3).
2017/06/14 The metal structure basis (Part 2).
2017/06/12 The polymorphic transformations in alloys (Part 2).
2017/06/05 The metal structure basis (Part 1).
2017/06/02 The polymorphic transformations in alloys (Part 1).
2017/05/19 The polymorphic transformations in metals (Part 7).
2017/05/10 The microanalysis of metals.
2017/05/03 The polymorphic transformations in metals (Part 6).
2017/04/19 The polymorphic transformations in metals (Part 5).
2017/04/05 The polymorphic transformations in metals (Part 4).
2017/03/29 The crystals growth (Part 4).
2017/03/22 The polymorphic transformations in metals (Part 3).
2017/03/15 The crystal growth (Part 3).
2017/03/10 The polymorphic transformations in metals (Part 2).
2017/03/03 The cast metal macrostructure.
2017/02/24 Macroanalysis by the fractures’ type (Part 2).
2017/02/22 The polymorphic transformations in metals (Part 1).
2017/02/17 The crystal growth (Part 2).
2017/02/08 Macroanalysis by the fractures’ type (Part 1)
2017/01/30 Growth of crystals (part 1).
2017/01/23 Generation of crystals in liquid (Part 4).
2017/01/06 Origination of crystals in liquids (Part 3).
2016/12/21 Crystals nucleation in liquids (Part 2).

Non-Destructive Control (1) ↑

2020/03/02 Interpretation of Radiographs (Part 1).

To become an Inspection Engineer (43) ↑

2017/10/16 The features of AC arc burning. The diagrams of currents and voltages for the AC arc.
2017/09/04 The amount of metal evaporating from the cathode spot (Part 2).
2017/08/07 Tests to determine the chemical properties.
2017/08/04 The power supply classification features. The potential distribution in the arc. The welding arc properties (Part 2).
2017/07/21 The amount of metal evaporating from the cathode spot (Part 1).
2017/07/10 The metal crystallization.
2017/07/07 The static volt ampere characteristic of the arc. The external characteristic of the power source.
2017/07/05 The fatigue test.
2017/06/19 The self-regulation mechanism of the arc column shape (Part 2).
2017/06/07 The self-regulatory mechanism of the arc column form (Part 1).
2017/05/31 The non-existence of defects monitoring in the weld seams (Part 1).
2017/05/22 Metallurgical science for the welding inspector.
2017/05/17 Impact toughness testing (Part 2).
2017/05/15 Welder Qualification Test (Part 8).
2017/05/05 Impact toughness testing (Part 1).
2017/05/01 Welder Qualification Test (Part 7).
2017/04/24 The defects found at the metals macro-analysis.
2017/04/21 The hardness measurement. The Rockwell hardness test method and microhardness (Part 2).
2017/04/17 Welder Qualification Test (Part 6).
2017/04/10 The hardness measurement. The Rockwell hardness test method (Part 1).
2017/03/31 The hardness measurement. The Brinell hardness test (Part 2).
2017/03/27 Welder Qualification Test (Part 5).
2017/03/20 The lack of root penetration.
2017/03/13 Welder Qualification Test (Part 4).
2017/03/08 The hysteresis reason of the critical current when welding on direct polarity with the coated wire from the easily ionized substances.
2017/03/06 The hardness measurement. The Brinell's method (Part 1).
2017/02/27 Welder Qualification Test (Part 3).
2017/02/15 Welder Qualification Test (Part 2)
2017/02/13 The pore cluster
2017/02/10 Tensile test (Part 7)
2017/02/01 The line of pores in the welded seam.
2017/01/25 Fracture toughness criteria.
2017/01/20 Certification of welders (Part 1).
2017/01/16 Tensile tests (PART 6).
2017/01/11 Methods for materials properties evaluation at the stage of cracks origination and development.
2017/01/04 Attestation of welding technology (Part 6).
2017/01/02 Methods of evaluation welded seams durability for cold cracks formation (Part 1).
2016/12/30 Hot cracks formation in the weld joint.
2016/12/26 Tensile tests (Part 5).
2016/12/23 Welding cracks and their classification.
2016/12/16 Welding procedure qualification (Part 5).
2016/12/14 Tensile test (Part 4).
2016/12/12 Inclusions in the weld seams (Part 2).

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