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notch effect

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notch effect
n
(Engineering / Metallurgy) Metallurgy Building trades the increase in stress in an area of a component near a crack, depression, etc., or a change in section, such as a sharp angle: can be enough to cause failure of the component although the calculated average stress may be quite safe


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This variation technique distributes the notch effect from machining onto different areas of the cutting edge and effectively postpones the development of the notch.
The stress intensity is highest at the edge of the specimen due to the notch effect, where it is the ideal site for cracks to initiate.
They pointed out that weldline regions are particularly sensitive to the notch effect, and in thin specimens or brittle materials, the notch effect may be even more pronounced.
 
 
 
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