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ultrasonics-based resin cure sensor

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003435
EISBN: 978-1-62708-195-5
... dielectric cure sensors, fiberoptics-based resin cure sensors, ultrasonics-based resin cure sensors, and dosimetry-based resin cure sensors. The article provides information on the resin cure control flow sensing, flow modeling, flow mapping, and resin flow. It addresses some practical issues in sensing...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003412
EISBN: 978-1-62708-195-5
...). The cure cycle is controlled by feedback from thermocouples, transducers, and advanced dielectric and ultrasonic sensors. The software is growing in complexity, with features varying between suppliers of computer systems. Autoclave curing of composites attempts to induce specific chemical reactions...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003045
EISBN: 978-1-62708-200-6
... analysis pattern orientation control quality control techniques tooling control ultrasonic inspection ultrasonic scans QUALITY ASSURANCE for composites has traditionally centered on techniques for validating the physical/mechanical properties of a cured laminate. This end-result approach has...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006968
EISBN: 978-1-62708-439-0
... of product development ( Ref 5 ). Because of these advantages, the emergence of AM technologies marks a new era for the manufacturing industry. Polymer-based AM is a critical AM branch that first appeared as stereolithography (SLA), which is based on photochemical resin curing ( Ref 1 ). Currently...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003041
EISBN: 978-1-62708-200-6
... of computer failure. The cure cycle is controlled by feedback from thermocouples, transducers, and advanced dielectric and ultrasonic sensors. After complete cure control cycles are entered into the computer, control becomes automatic once the parts are loaded and the proper cure number is requested...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006578
EISBN: 978-1-62708-290-7
... ). To achieve multiscale fabrication, the laser beam size can be dynamically adjusted based on the geometric shape of the printed object ( Ref 26 ). In MIP-SL, a digital micromirror device is used to generate a 2D-patterned light beam, and the whole layer of resin can be cured with only a single exposure ( Ref...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
... consolidation cycles compare very favorably with the lengthy cure and postcure cycles typically needed for thermosets. Previous work has shown that thermoplastic composites can be joined by local consolidation of an interface, using a range of techniques. These include ultrasonic welding, induction bonding...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003047
EISBN: 978-1-62708-200-6
... conditions. It then focuses on the characteristics, types, and properties of the five groups of adhesives, such as structural, hot melt, pressure sensitive, water based, ultraviolet, and electron beam cured adhesives. The article also discusses the functions and applications of adhesive modifiers, including...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003442
EISBN: 978-1-62708-195-5
... part is an important property from the standpoint of weight and dimensional compliance and fit in applications that interface other parts, such as hardware. Additionally, thickness per ply is useful as a measure of resin content achieved during cure or consolidation. Part thickness is governed...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001469
EISBN: 978-1-62708-173-3
... of thermoset resins, a chemical reaction occurs during processing and curing, that is, as a result of irreversible cross-linking reactions in the mold. Both molded thermoset and vulcanized elastomer components cannot be reshaped by means of heating, because degradation occurs. It follows that thermoset...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... step in the process is to pull the resin-soaked strands through a heated shaping die. The die may be in the shape of a rod, tube, I-beam, or other geometric shapes. After the resin is cured and pulled through the die, the resulting profile has a high strength-to-weight ratio and is very durable...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.9781627082006
EISBN: 978-1-62708-200-6
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
... information obtained with conventional ultrasonic systems, such as the presence of internal defects, bond integrity, part thickness, and other basic materials properties. The motivation for replacing conventional water-coupled piezoelectric transducers with laser-based systems varies with material types...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003068
EISBN: 978-1-62708-200-6
... plastic based on resins starchy. anisotropy of laminates. The difference of the prop- made by addition polymerization of monomers contain- erties along the directions parallel to the length or width ing allyl groups; for example, diallyt phthalate (DAP). anaerobic adhesive. An adhesive that cures only...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003021
EISBN: 978-1-62708-200-6
... plastics to plastics Adhesive number code is given in Table 5 . Plastic ABS Acetal Cellulosic (a) Ethyl cellulose Nylon Phenylene- oxide-based resin Poly-carbonate Polyether sulfone ABS 4, 5, 23, 25, 26 4, 16, 26 4, 16, 36 5, 16 5, 23, 25, 26 5, 23, 25, 26, 36 5, 25, 26 5, 25...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... resonant testing ultrasonic inspection visual inspection NONDESTRUCTIVE INSPECTION (NDI) methods for cast iron are used to ensure that the parts supplied perform as required by the purchaser. These requirements are established by the purchaser, which are frequently based on various government...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... to the inspection of bonded structures, including visual inspection, ultrasonic inspection, X-ray radiography, and neutron radiography. The evaluation and correlation of inspection results are also discussed. The article concludes with information on the effects of ultrasonic wave interference in the ultrasonic...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
... will not be considered, but it is assumed that the light is exponentially absorbed in the resin layer only. Thermal conductivity can carry heat away but is not significant over ultrasonic time scales less than 100 μs and may be ignored. Given these assumptions, the temperature profile can be modeled as: (Eq 7) T...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.9781627081900
EISBN: 978-1-62708-190-0