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Bone screws

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Published: 01 January 2015
Fig. 15.24 Titanium plug implanted into a human cheek bone into which is screwed an artificial tooth. The rough surface promotes bone adhesion to the titanium screw. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300363
EISBN: 978-1-62708-323-2
... treatment causes an increase in friction on fasteners into metal, plastics, or bone, it could affect their final seating torque. Fastener tension must be high to keep hardware from loosening. If a significant amount of the surgeon’s torque on tightening goes into turning the screw and not stretching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040010
EISBN: 978-1-62708-428-4
... that encourage the ingrowth of bone, thus facilitating implant fixation and reducing the need for bone cements and screws. Titanium is the most widely used coating because it has essentially no reaction with bone or soft tissue. Both commercially pure titanium and the workhorse Ti-6Al-4V alloy are deposited...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060065
EISBN: 978-1-62708-355-3
.... Current equipment manufacturers also offer workstation configurations that automate mechanical testing. Fig. 1 Screw-driven balance-beam universal testing machine (1890 model) Conventional test machines for measuring mechanical properties include tension testers, compression testers...
Series: ASM Technical Books
Publisher: ASM International
Published: 15 June 2021
DOI: 10.31399/asm.tb.mpktmse.t56010001
EISBN: 978-1-62708-384-3
... a motor and lead screw arrangement to stretch the sample (Fig. 2) and hydraulic units that use a hydraulic piston to pull on the sample (Fig. 3). Both systems Gage section Grip sections FIG. 1 Typical tensile testing dog bone FIG. 2 Electromechanical universal testing frame FIG. 3 Typical hydraulic 90-kN...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290251
EISBN: 978-1-62708-319-5
... in automotive crash zones. Porous products are useful in a variety of bone-tissue-related applications. Typically, metallic structures have a far higher elastic modulus than bones; thus, replacing bone tissue in load-bearing areas can lead to bone atrophy and loss of the implant. New directions include...
Series: ASM Technical Books
Publisher: ASM International
Published: 15 June 2021
DOI: 10.31399/asm.tb.mpktmse.9781627083843
EISBN: 978-1-62708-384-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480353
EISBN: 978-1-62708-318-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060163
EISBN: 978-1-62708-355-3
... types of tensile specimen geometries. One type of specimen that can be prepared using readily available machine tools is the flat or “dog-bone” specimen shown in Fig. 1(a) and Fig. 2 . Such specimens can be prepared readily using milling machines with carbide tooling for some materials and diamond...
Series: ASM Technical Books
Publisher: ASM International
Published: 15 June 2021
DOI: 10.31399/asm.tb.mpktmse.t56010019
EISBN: 978-1-62708-384-3
... bone sample, determine the mechanical properties. Solution First, we need to determine Young’s modulus. From the plot, we can determine that at 50.32 MPa, the strain is 0.00028 and that at 393.7 MPa the strain is 0.00226: E = rise run = 393.7 − 50.32 0.00226 − 0.00028...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120139
EISBN: 978-1-62708-269-3
... of joint prostheses, spinal implants, as well as bone nails, screws, and plates. Ti-5Al-5Sn-2Zr-2Mo-0.25Si, UNS R54560, Ti-5522-S Ti-5522-S is a beta-lean α + β alloy with good tensile, stress rupture, and creep resistant properties. Ti-5522-S is a semicommercial alloy for high-temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870375
EISBN: 978-1-62708-344-7
... exist: one called edge , the other, screw . Consider first the edge dislocation shown in Fig. A.13(a) . Here the atoms, shown as small circles, are, in general, arranged in a very regular manner. However, the line AP (representing a plane of atoms perpendicular to the plane of the figure...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
... sequence of operations begins with a hollow ring blank made by piercing a pancake into a doughnut, forging a dog-bone shape from which the center is machined out, and cutting lengths from an extrusion. Figures 10.9 to 10.11 illustrate these operations. The material to be rolled is heated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.9781627084284
EISBN: 978-1-62708-428-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400109
EISBN: 978-1-62708-258-7
... the specimen with the lens of the highest magnification objective (the longest objective with the shortest working distance), especially if the objective is not fully screwed into the nosepiece. This loosening of objectives can actually happen when the nosepiece is rotated by using the objectives as a handle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.9781627083447
EISBN: 978-1-62708-344-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... action. Solidifying silicon is pulled upward from the die by a belt. A similar process eliminates the die by growing a single, continuous dendritic crystal that is shaped like a dog bone. This crystal is thicker at the sides than in the middle, which constitutes a mechanically stronger shape. Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480001
EISBN: 978-1-62708-318-8
... been for bone plates, screws, intramedullary rods, and hip nails. Partial and total joint replacements for the hip, knee, elbow, jaw, finger, and shoulder are commercially produced from unalloyed titanium and from the Ti-6Al-4V alloy. Unalloyed titanium heart valves and titanium mesh mandibular bone...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2016
DOI: 10.31399/asm.tb.ascaam.t59190001
EISBN: 978-1-62708-296-9