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  2. Non-metallic inclusions - Wikipedia

    en.wikipedia.org/wiki/Non-metallic_inclusions

    Inclusions are present in any steel to a greater or lesser extent according to the mixture and conditions of production. Usually the amount of non-metallic inclusions in steel is not higher than 0.1%. However, the number of inclusions in metal is very high because of their extremely small size. Non-metallic inclusions in steel are foreign ...

  3. Deoxidization - Wikipedia

    en.wikipedia.org/wiki/Deoxidization

    If steel is not properly deoxidized, it will have lost various properties such as tensile strength, ductility, toughness, weldability, polishability, and machinability. This is due to forming non-metallic inclusions and gas pores, bubbles of gas that get trapped during the solidification process of steel. [2]

  4. White etching cracks - Wikipedia

    en.wikipedia.org/wiki/White_etching_cracks

    WEC initiation at MnS inclusions in steel [1] White etching cracks (WEC), or white structure flaking or brittle flaking, is a type of rolling contact fatigue (RCF) damage that can occur in bearing steels under certain conditions, such as hydrogen embrittlement, high stress, inadequate lubrication, and high temperature. WEC is characterised by ...

  5. Deoxidized steel - Wikipedia

    en.wikipedia.org/wiki/Deoxidized_steel

    Note that decrease in carbon content increases the problems with non-metallic inclusions. [7] [needs update] Continuous casting and strip-casting technologies have largely superseded ingot casting techniques in recent times. Through these methods, all steel is killed and the resulting yields are close to 96%.

  6. Stress concentration - Wikipedia

    en.wikipedia.org/wiki/Stress_concentration

    In practice, however, material inconsistencies such as internal cracks, blowholes, cavities in welds, air holes in metal parts, and non-metallic or foreign inclusions can occur. These defects act as discontinuities within the component, disrupting the uniform distribution of stress and thereby leading to stress concentration.

  7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

    www.aol.com/today-nyt-strands-hints-spangram...

    For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.

  8. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

    www.aol.com/lifestyle/doctors-nighttime-behavior...

    Here's how to distinguish "sundowning"—agitation or confusion later in the day in dementia patients—from typical aging, from doctors who treat older adults.

  9. Acicular ferrite - Wikipedia

    en.wikipedia.org/wiki/Acicular_ferrite

    This microstructure is advantageous over other microstructures for steel because of its chaotic ordering, which increases toughness. [ 1 ] Acicular ferrite is formed in the interior of the original austenitic grains by direct nucleation on the inclusions, resulting in randomly oriented short ferrite needles with a 'basket weave' appearance.