What's the difference between ductile and stretch?

Ductile


Definition:

  • (a.) Easily led; tractable; complying; yielding to motives, persuasion, or instruction; as, a ductile people.
  • (a.) Capable of being elongated or drawn out, as into wire or threads.

Example Sentences:

  • (1) Mechanical and biomechanical testing of a new bone cement suggests that improved load transfer to the proximal femur could be achieved with the combination of a cement having a lower modulus, a greater ductility and a lower creep resistance than polymethylmethacrylate and a suitably shaped femoral component.
  • (2) The above materials were generally ductile and the mechanical properties indicated a useful class of materials for clinical use.
  • (3) Results indicated that excellent welds can be obtained with very little loss of strength and ductility in the area of the weld joint.
  • (4) These materials could not be used in load-bearing applications because of the excessive grain growth and loss of the wrought structure of both the commercially pure Ti and Ti-6Al-4V substrates, and the loss of ductility in the cast Co-Cr-Mo alloy.
  • (5) Cast and hot isostatically pressed Ti-6Al-4V, however, has a relatively low ductility and reduced fatigue properties.
  • (6) Furthermore, it has been shown that the attainment of suitable strength is invariably associated with an unacceptable level of ductility.
  • (7) The effect of stress on a cantilever, consisting of a ductile alloy in contact with a brittle polymer, was demonstrated to be complex.
  • (8) The presence of the urethane bond at the N-terminus protecting group was found to reduce solubility, ductility, and processibility, probably due to interchain hydrogen bonding.
  • (9) Analysis of the stress-strain curves revealed a transition in the type of deformation at this point from pseudo-ductile to brittle.
  • (10) This composition is consistent with the hypothesis that the cement line provides a relatively ductile interface with surrounding bone matrix, and that it provides the point specific stiffness differences, poor 'fiber'-matrix bonding and energy transfer qualities required to promote crack initiation but slow crack growth in compact bone.
  • (11) The parameters used to assess performance were sharpness, resistance to bending, and ductility.
  • (12) maize starch and polymeric materials, there was an increase in the yield pressure with punch velocity attributable to a change either from ductile to brittle behaviour or a reduction in the amount of plastic deformation due to the time dependent nature of plastic flow.
  • (13) The purpose of this research was to evaluate the torsional strength and ductility of CP titanium in the as received condition, heat treated below the alpha----beta transition temperature, and glass bead blasted.
  • (14) In the present effort, the same flexure tests were reevaluated to include the parameters of stiffness, toughness, and ductility.
  • (15) The proximal end is ductile and the distal end rigid.
  • (16) A more ductile PLLA exhibiting a lower rate of degradation was prepared by extraction of low molecular weight compounds with ethyl acetate.
  • (17) The ductility and malleability of pure silver allow for ease of adaptation or alteration as a chairside or operating room procedure.
  • (18) (3) The simulated ceramic firing cycle created a small amount of ductility in SMG-2, but the lowering of the yield stress in Ceramco-0 renders the welds dangerously weak even with improved ductility.
  • (19) The fracture of the titanium specimens was ductile, with dimples occurring at the fracture surfaces.
  • (20) The superior ductility of needles made by one manufacturer was related to the specific alloy, stainless steel ASTM 45500, used in their production.

Stretch


Definition:

  • (v. t.) To reach out; to extend; to put forth.
  • (v. t.) To draw out to the full length; to cause to extend in a straight line; as, to stretch a cord or rope.
  • (v. t.) To cause to extend in breadth; to spread; to expand; as, to stretch cloth; to stretch the wings.
  • (v. t.) To make tense; to tighten; to distend forcibly.
  • (v. t.) To draw or pull out to greater length; to strain; as, to stretch a tendon or muscle.
  • (v. t.) To exaggerate; to extend too far; as, to stretch the truth; to stretch one's credit.
  • (v. i.) To be extended; to be drawn out in length or in breadth, or both; to spread; to reach; as, the iron road stretches across the continent; the lake stretches over fifty square miles.
  • (v. i.) To extend or spread one's self, or one's limbs; as, the lazy man yawns and stretches.
  • (v. i.) To be extended, or to bear extension, without breaking, as elastic or ductile substances.
  • (v. i.) To strain the truth; to exaggerate; as, a man apt to stretch in his report of facts.
  • (v. i.) To sail by the wind under press of canvas; as, the ship stretched to the eastward.
  • (n.) Act of stretching, or state of being stretched; reach; effort; struggle; strain; as, a stretch of the limbs; a stretch of the imagination.
  • (n.) A continuous line or surface; a continuous space of time; as, grassy stretches of land.
  • (n.) The extent to which anything may be stretched.
  • (n.) The reach or extent of a vessel's progress on one tack; a tack or board.
  • (n.) Course; direction; as, the stretch of seams of coal.

Example Sentences:

  • (1) Tendon (T) and Hoffmann (H) reflexes were analyzed during static stretching (SS).
  • (2) An AT-rich stretch is centered at position -31 with respect to the transcription initiation site, and a potential CCAAT box is centered at position -138.
  • (3) Mechanosensitive ion channels may play a key role in transducing vascular smooth muscle (VSM) stretch into active force development.
  • (4) Endothelial release of the arachidonate derivative PGI2 may be increased in response to cyclic lung stretching.
  • (5) Differences in scar depression also supported the idea of more stretching in the Dexon group.
  • (6) The maximum force level reached during the stretch was affected very little.
  • (7) Cerebral angiogram displayed a contralateral shift and an unrolling of the anterior cerebral artery, a lateral stretch of middle cerebral artery, a downward stretch of anterior choroidal artery and a tumor stain fed by the Heubner artery.
  • (8) The results of conventional sciatic nerve stretching tests are usually evaluated regardless of patient age, gender or movements of the hip joint and spine.
  • (9) Phycomyces sporangiophores respond to four distinct physical stimuli: gravity, light, stretch, and an avoidance stimulus.
  • (10) Increase in activity of pulmonary stretch receptors causes inhibition of inspiration and bronchodilation.
  • (11) The stiffness of the fibre first rose abruptly in response to stretch and then started to decrease linearly while the stretch went on; after the completion of stretch the stiffness decreased towards a steady value which was equal to that during the isometric tetanus at the same sarcomere length, indicating that the enhancement of isometric force is associated with decreased stiffness.
  • (12) During ischaemia M1 stretch responses showed a more rapid and pronounced decline than did M2 responses and were abolished before voluntary power was appreciably affected.
  • (13) The stretch reflex in man has a direct role in compensating for small disturbances during motor tasks.
  • (14) I personally felt grateful that British TV set itself apart from its international rivals in this way, not afraid to challenge, to stretch the mind and imagination.
  • (15) Cubitus valgus or instability due to a pseudarthrosis of the lateral epicondyle or to ligamentous injury may stretch the nerve.
  • (16) The media's image of a "gamer" might still be of a man in his teens or 20s sitting in front of Call of Duty for six-hour stretches, but that stereotype is now more inaccurate than ever.
  • (17) The presence of a form of stretch reflex, previously described in the arm by other authors, has been confirmed in the gastrocnemius muscle of the human leg.
  • (18) The influence of stretch and radial compression on the width of mechanically skinned fibers from the semitendinosus muscle of the frog (R. pipiens) was examined in relaxing solutions with high-power light microscopy.
  • (19) The bent DNA has been localized to a 40-55 base pair (bp) segment and contains six (A)3-5 stretches (that is, six poly(A) stretches, three to five nucleotides in length) phased approximately every 10.5 bp.
  • (20) This figure suggests that, unless there are substantial stretches of free DNA, the polyoma nucleoprotein complex contains about 26 nucleosomes.