What's the difference between ductile and soft?

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.

Soft


Definition:

  • (superl.) Easily yielding to pressure; easily impressed, molded, or cut; not firm in resisting; impressible; yielding; also, malleable; -- opposed to hard; as, a soft bed; a soft peach; soft earth; soft wood or metal.
  • (superl.) Not rough, rugged, or harsh to the touch; smooth; delicate; fine; as, soft silk; a soft skin.
  • (superl.) Hence, agreeable to feel, taste, or inhale; not irritating to the tissues; as, a soft liniment; soft wines.
  • (superl.) Not harsh or offensive to the sight; not glaring; pleasing to the eye; not exciting by intensity of color or violent contrast; as, soft hues or tints.
  • (superl.) Not harsh or rough in sound; gentle and pleasing to the ear; flowing; as, soft whispers of music.
  • (superl.) Easily yielding; susceptible to influence; flexible; gentle; kind.
  • (superl.) Expressing gentleness, tenderness, or the like; mild; conciliatory; courteous; kind; as, soft eyes.
  • (superl.) Effeminate; not courageous or manly, weak.
  • (superl.) Gentle in action or motion; easy.
  • (superl.) Weak in character; impressible.
  • (superl.) Somewhat weak in intellect.
  • (superl.) Quiet; undisturbed; paceful; as, soft slumbers.
  • (superl.) Having, or consisting of, a gentle curve or curves; not angular or abrupt; as, soft outlines.
  • (superl.) Not tinged with mineral salts; adapted to decompose soap; as, soft water is the best for washing.
  • (superl.) Applied to a palatal, a sibilant, or a dental consonant (as g in gem, c in cent, etc.) as distinguished from a guttural mute (as g in go, c in cone, etc.); -- opposed to hard.
  • (superl.) Belonging to the class of sonant elements as distinguished from the surd, and considered as involving less force in utterance; as, b, d, g, z, v, etc., in contrast with p, t, k, s, f, etc.
  • (n.) A soft or foolish person; an idiot.
  • (adv.) Softly; without roughness or harshness; gently; quietly.
  • (interj.) Be quiet; hold; stop; not so fast.

Example Sentences:

  • (1) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (2) Bilateral symmetric soft-tissue masses posterior to the glandular tissue with accompanying calcifications should suggest the diagnosis.
  • (3) None of the other soft tissue layers-ameloblasts, stratum intermedium or dental follicle--immunostain for TGF-beta 1.
  • (4) The cotransfected cells do not grow in soft agar, but show enhanced soft agar growth relative to controls in the presence of added aFGF and heparin.
  • (5) It was hypothesized that compensatory restraining influences of surrounding soft tissues prevented a more severe facial malformation from occurring.
  • (6) After the diagnosis of a soft-tissue injury (sprain, strain, or contusion) has been made, treatment must include an initial 24- to 48-hour period of RICE.
  • (7) It is a specific clinical picture with extensive soft tissue gas and swelling of the forearm.
  • (8) Benign and malignant epithelial and soft tissue tumors of the skin were usually negatively stained with MoAb HMSA-2.
  • (9) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.
  • (10) In open fractures especially in those with severe soft tissue damage, fracture stabilisation is best achieved by using external fixators.
  • (11) A distally based posterior tibial artery adipofascial flap with skin graft was used for the reconstruction of soft tissue defects over the Achilles tendon in three cases and over the heel in three cases.
  • (12) The third patient was using an extended-wear soft contact lens for correction of residual myopia.
  • (13) Computed tomography (CT) is the most sensitive radiologic study for detecting these tumors, which usually are small, round, sharply marginated, and of homogeneous soft tissue density.
  • (14) The latter indicated that, despite the smaller size of the digital image, they were adequate for resolving clinically significant soft-tissue densities.
  • (15) We isolated soft agar colonies (a-subclones) and sub-clones from foci (h-subclones) of both hybrids, and, as a control, subclones of cells from random areas without foci of one hybrid (BS181 p-subclones).
  • (16) Three of the tumours represented primary soft tissue lesions, while locally recurrent tumour or pulmonary metastases were studied from the 4 skeletal tumours, all of which had been diagnosed previously as Ewing's sarcomas.
  • (17) The technique is based on a multiple regression analysis of the renal curves and separate heart and soft tissue curves which together represent background activity.
  • (18) A hospital-based case-control study on soft tissue sarcomas (STS) was conducted in 1983-84 in Torino and in Padova (Italy).
  • (19) This phenomenon can have a special significance for defining the vitality in inflammation of bone tissue, in burns and in necrosis of soft tissues a.a. of the Achilles tendon.
  • (20) Thirty patients required a second operation to an area previously addressed reflecting inadequacies in technique, the unpredictability of bone grafts, and soft-tissue scarring.