Temperature Stress


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Temperature Stress

 

(Russian, termicheskoe napriazhenie), a stress caused by a change in the thermal state of a body upon heating, cooling, or prolonged exposure to elevated or low temperatures. For example, the hardening of steel parts produces temperature stresses. In this case the temperature stresses are a combination of the stresses resulting from the change in the specific volume of steel that has undergone martensitic transformation during hardening and the thermal stresses caused by quenching. The effect of temperature stresses—for example, fracture or cracking during hardening—may not be apparent during quenching but may take some time, even several days, to develop as a result of a gradual stress buildup caused by changes in the specific volumes of structural members.

thermal stress, temperature stress

Stress introduced by uniform or nonuniform temperature change in a structure or material which is constrained against expansion or contraction.
References in periodicals archive ?
Although it is a significant metabolic organ, the relationship between temperature stress and oxygen and energy metabolism in the hepatopancreas of shrimp is not yet clear.
Membrane properties in relation to the adaptation of plant to temperature stress. P: 261-273, In: N.C, Turner and P.J, Kramer (eds.).
The variety RB98710 maintained a low MDA content for the temperature stress (T1) and the dual combination of temperature stress with water (T2).
However, it is the genetic makeup that determines to what degree a species or cultivar is sensitive or resistant to low temperature stress [23].
Seven weeks before temperature stress, 30 small polyps per strain with average oral disk diameter (ODD) 2.24 [+ or -] 0.65 (SD) mm were transferred to individual 60 x 15-mm polystyrene petri dishes and assigned to 2 experimental blocks (Fig.
Upon temperature stress, the cellular ROS levels were upregulated through the "temperature sensor" which amplified the signal to activate the ROS-scavenging enzymes [2, 7].
nephogram of stress thermal structure coupling, because under the influence of temperature stress, steam autoclave at room temperature is more obvious than in the structural analysis of large, therefore in the autoclave stress-strain analysis, the temperature should not be neglected.
We reveal highly different phenology among populations that also may serve as an avoidance mechanism of low temperature stress.
The Aim of the Research consists in the creation of a practical engineering method for the construction industry autoclaves' bodies temperature stress calculating.

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