Blog Archives

POSTED

Nov30

140 DAYS

Stress Concentrators

abrupt changes in geometry of the part serve as the focus of high stresses. Various means can be devised to relieve the abruptness of the geometric changes and thus the …

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POSTED

Nov30

140 DAYS

Stress

The force producing or tending to produce deformation in a body measured by the force applied per unit area.

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POSTED

Nov30

140 DAYS

Streaming Media

Technology allowing video and audio to be delivered on the Internet without the long wait times required in the past. Available at a variety of bit rates, corresponding to the …

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Nov30

140 DAYS

Streamer

A printed plastic, paper or cloth banner for window or interior use.

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Nov30

140 DAYS

Strain-Rate Sensitivity (m value)

The increase in stress () needed to cause a certain increase in plastic strain rate (i) at a given level of plastic strain (E) and a given temperature (T). Strain-rate …

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POSTED

Nov30

140 DAYS

Strain Hardening Exponent

The value n in the relationship = KEn, where is the true stress; E is the true strain; and K, which is called the strength coefficient, is equal to the …

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POSTED

Nov30

140 DAYS

Strain Hardening Coefficient

See strain hardening exponent.

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Nov30

140 DAYS

Strain Hardening

An increase in hardness and strength caused by plastic deformation at temperatures below the recrystallization range. Also known as work hardening.

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Nov30

140 DAYS

Strain Aging

The changes in ductility, hardness, yield point, and tensile strength that occur when a metal or alloy that has been cold worked is stored for some time. In steel, strain …

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POSTED

Nov30

140 DAYS

Strain

In tensile testing, the ratio of the elongation to the gage length of the test specimen, that is, the change in length per unit of original length.

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POSTED

Nov30

140 DAYS

Straight-Side Press

An upright press open at front and back with the columns (uprights) at the ends of the bed.

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POSTED

Nov30

140 DAYS

Straightener Rolls

See roll straightener.

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Nov30

140 DAYS

Straight Perimeter Contour

Curvature of the peripheral edge that has no radius.

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Nov30

140 DAYS

Straight Cam

A cam that travels 90? to press stroke. Also called horizontal cam.

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POSTED

Nov30

140 DAYS

Store Cash

A Merchandise Credit is a store voucher good for merchandise that is given for returns instead of cash.

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