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  2. Striation (fatigue) - Wikipedia

    en.wikipedia.org/wiki/Striation_(fatigue)

    A striation marks the position of the crack tip at the time it was made. The term striation generally refers to ductile striations which are rounded bands on the fracture surface separated by depressions or fissures and can have the same appearance on both sides of the mating surfaces of the fatigue crack. Although some research has suggested ...

  3. Fracture - Wikipedia

    en.wikipedia.org/wiki/Fracture

    Fracture is the appearance of a crack or complete separation of an object or material into two or more pieces under the action of stress. The fracture of a solid ...

  4. Striation - Wikipedia

    en.wikipedia.org/wiki/Striation

    In hyperbolic geometry, a striation is a reflection across two parallel mirrors. In anatomy, striated muscle In acoustic phonetics, striations are vertical bands on a spectrogram associated with pulses of the vocal folds when producing voiced periodic sounds.

  5. Striated muscle tissue - Wikipedia

    en.wikipedia.org/wiki/Striated_muscle_tissue

    Striated muscle tissue is a muscle tissue that features repeating functional units called sarcomeres.The presence of sarcomeres manifests as a series of bands visible along the muscle fibers, which is responsible for the striated appearance observed in microscopic images of this tissue.

  6. Fatigue (material) - Wikipedia

    en.wikipedia.org/wiki/Fatigue_(material)

    Striations mark the position of the crack tip and the width of each striation represents the growth from one loading cycle. Striations are a result of plasticity at the crack tip. When the stress intensity exceeds a critical value known as the fracture toughness, unsustainable fast fracture will occur, usually by a process of microvoid ...

  7. Stretch marks - Wikipedia

    en.wikipedia.org/wiki/Stretch_marks

    Stretch marks, also known as striae (/ ˈ s t r aɪ iː /) [citation needed] or striae distensae, [1] are a form of scarring on the skin with an off-color hue. Over time, they may diminish, but will not disappear completely.

  8. Bone fracture - Wikipedia

    en.wikipedia.org/wiki/Bone_fracture

    A bone fracture (abbreviated FRX or Fx, F x, or #) is a medical condition in which there is a partial or complete break in the continuity of any bone in the body. In more severe cases, the bone may be broken into several fragments, known as a comminuted fracture. [1]

  9. Spall - Wikipedia

    en.wikipedia.org/wiki/Spall

    The relatively soft warhead, containing or made of plastic explosive, flattens against the armour plating on tanks and other armoured fighting vehicles (AFVs) and explodes, creating a shock wave that travels through the armour as a compression wave and is reflected at the free surface as a tensile wave breaking (tensile stress/strain fracture ...