welding stress - определение. Что такое welding stress
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Что (кто) такое welding stress - определение

Welding machine; Welding power source; Welding transformer
Найдено результатов: 444
Adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
·noun Opposition; contrariety.
Hyperbaric welding         
  • A diver practices underwater welding in a training pool
  • Underwater welding habitat for dry hyperbaric welding
WELDING METAL AT ELEVATED PRESSURE
Underwater welding; Underwater Welding; Under water welding; Hyperbaric Welding; Underwater welder
Hyperbaric welding is the process of welding at elevated pressures, normally underwater. Hyperbaric welding can either take place wet in the water itself or dry inside a specially constructed positive pressure enclosure and hence a dry environment.
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
¦ noun (plural adversities) difficulty or misfortune.
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
n. to face; overcome adversity
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
(adversities)
Adversity is a very difficult or unfavourable situation.
He showed courage in adversity.
= misfortune
N-VAR: oft in/of N
adversity         
  • Schematic overview of the classes of stresses in plants
  • A diagram of the general adaptation syndrome model
  • Neurohormonal response to stress
  • border=darkgray}}
ORGANISM'S RESPONSE TO A STRESSOR SUCH AS AN ENVIRONMENTAL CONDITION OR A STIMULUS
General adaptation syndrome; Stress syndrome; Physiological stress; Adversity; General Adaptation Response; General adaptation response syndrome; Environmental stress; General Adaptation Syndrome; Stress out; Stress (medicine); Stress (medecine); General adaptative syndrome; Environmental stresses; Stress (medical); Stress (biological); Medical stress; Stress (physiology); Stress (Physiology); Stress (mental); Stress in humans; Biological stress; Biology of stress; Effects of chronic stress; Chronic stress and cardiovascular disease
n.
Misfortune, calamity, affliction, trouble, suffering, woe, disaster, distress, misery, ill-luck, bad luck, broken fortunes, hard life, frowns of fortune, reverses of fortune, hard times, ill-fate, ills of life, a sea of troubles.
Compressive         
  • Idealized stress in a straight bar with uniform cross-section.
  • Illustration of typical stresses (arrows) across various surface elements on the boundary of a particle (sphere), in a homogeneous material under uniform (but not isotropic) triaxial stress. The normal stresses on the principal axes are +5, +2, and −3 units.
  • The stress across a surface element (yellow disk) is the force that the material on one side (top ball) exerts on the material on the other side (bottom ball), divided by the area of the surface.
  • Components of stress in three dimensions
  • Isotropic tensile stress. Top left: Each face of a cube of homogeneous material is pulled by a force with magnitude ''F'', applied evenly over the entire face whose area is ''A''.  The force across any section ''S'' of the cube must balance the forces applied below the section. In the three sections shown, the forces are ''F'' (top right), ''F''<math>\sqrt{2}</math> (bottom left), and ''F''<math>\sqrt{3}/2</math> (bottom right); and the area of ''S'' is ''A'', ''A''<math>\sqrt{2}</math> and ''A''<math>\sqrt{3}/2</math>, respectively. So the stress across ''S'' is ''F''/''A'' in all three cases.
  • Simplified model of a truss for stress analysis, assuming unidimensional elements under uniform axial tension or compression.
  • The ratio <math>\sigma = F/A</math> may be only an average stress. The stress may be unevenly distributed over the cross section (''m''–''m''), especially near the attachment points (''n''–''n'').
  • For stress modeling, a [[fishing pole]] may be considered one-dimensional.
  • Shear stress in a horizontal bar loaded by two offset blocks.
  • Glass vase with the ''[[craquelé]]'' effect. The cracks are the result of brief but intense stress created when the semi-molten piece is briefly dipped in water.<ref name=lamglass/>
  • A [[tank car]] made from bent and welded steel plates.
PHYSICAL QUANTITY THAT EXPRESSES INTERNAL FORCES IN A CONTINUOUS MATERIAL
Tensile stress; Physical stress; Normal stress; Tensible strength; Mechanical stress; Piola-Kirchhoff stress tensor; Piola–Kirchoff stress tensor; Stress, mechanical; Deviatorics tress; Compressive; Piola-Kirchhoff stress; Deviatoric; Extensional stress; Longitudinal stress; Stress (physics); Internal stresses; Internal stress; Octahedral shear stress; Piola–Kirchhoff stress tensor; N/m2; Stress path; Cauchy's tetrahedron; Cauchy tetrahedron; Piola-Kirchoff stress tensor
·adj Compressing, or having power or tendency to compress; as, a compressive force.
Forge welding         
  • A mechanized [[trip hammer]].
  • Sponge iron used to forge a Japanese [[katana]].
Forge welding (FOW), also called fire welding, is a solid-state welding process that joins two pieces of metal by heating them to a high temperature and then hammering them together. It may also consist of heating and forcing the metals together with presses or other means, creating enough pressure to cause plastic deformation at the weld surfaces.
Shielded metal arc welding         
  • Personal Protection Equipment
MANUAL ARC WELDING PROCESS THAT USES A CONSUMABLE ELECTRODE COVERED WITH A FLUX TO LAY THE WELD
Shielded Metal Arc Welding; Stick welding; MMA welding; Stick electrode welding; Manual metal arc welding; SMA welding; Stick Welding; Shielded metal; Stick welder; Shielded metal-arc welding; MMAW; SMAW (welding)
Shielded metal arc welding (SMAW), also known as manual metal arc welding (MMA or MMAW), flux shielded arc welding or informally as stick welding, is a manual arc welding process that uses a consumable electrode covered with a flux to lay the weld.
Gas metal arc welding         
  • Metal inert gas (MIG) welding station<!-- remark: the 50 L gas cylinder with a white neck is not argon but oxygen, so one can doubt if this is really a MIG welding station. Please, verify and remove this photograph if needed !!! -->
WELDING PROCESS IN WHICH AN ELECTRIC ARC FORMS BETWEEN A CONSUMABLE WIRE ELECTRODE AND THE WORKPIECES, WHICH HEAT UP, MELT AND JOIN; A GAS FEEDS THROUGH THE WELDING GUN, SHIELDING THE PROCESS FROM CONTAMINANTS IN AIR
MIG welding; Gas Metal Arc Welding; GMAW; Gmaw; Mig welding; Metal active gas welding; MAG welding; Mag welding; Mig Welding; MIG Welding; Gas metal; Metal Inert Gas; Regulated Metal Deposition; User:Theweldingguy/Regulated Metal Deposition; MIG welder; Metal inert gas; Gas–metal arc welding; Metal inert gas welding; Gas-metal arc welding; Gasless MIG; MIG wire
Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an electric arc forms between a consumable MIG wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to fuse (melt and join). Along with the wire electrode, a shielding gas feeds through the welding gun, which shields the process from atmospheric contamination.

Википедия

Welding power supply

A welding power supply is a device that provides or modulates an electric current to perform arc welding. There are multiple arc welding processes in common use ranging from relatively simple Shielded Metal Arc Welding (SMAW) to more complicated welding processes using inert shielding gas like Gas metal arc welding (GMAW) or Gas tungsten arc welding (GTAW). Welding power supplies primarily serve as devices that allow a welder to exercise control over whether current is alternating current (AC) or direct current (DC), as well as the amount of current and voltage. Power supplies for welding processes that use shielding gas also offer connections for gas and methods to control gas flow. The operator can set these factors to within the parameters as needed by the metal type, thickness, and technique to be used. The majority of welding power supplies do not generate power, instead functioning as controllable transformers that allow the operator to adjust electrical properties as needed. However, in some welding applications, notably SMAW, used in areas isolated from power grids, welding power supplies are used that combine the functions of electrical generation and current modulation into a single mobile unit mounted on a vehicle or towed trailer.