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Automotive Composites Require Specialized Quality Control and Inspection Standards (Part 2)

Posted By ASC, Thursday, April 4, 2019

Adhesives.org Article Highlight (Part 2 of a 2-part article)

The i3 already demonstrates this with a honeycomb structure to absorb impacts, braided carbon fiber, and a foam core. Soon, fiber-metal laminates like glass laminate aluminum reinforced epoxy or GLARE, already used in aerospace applications, are likely to be used in cars too, adding to the complexity of quality control and testing tasks.


Part 2...

Non-destructive testing (NDT) methods in current use include:

Visual inspection: cracks, delamination, impact damage

Optical Coherence Tomography: voids, cracks, delamination

Microscopy: cracks, voids, delamination, broken fibers

Tap test: delamination or cracking

Acoustic emissions testing:fiber breaks, cracks, delamination

Ultrasonic testing: voids, foreign objects, delamination, cracks

X-ray radiography: fiber alignment, splitting fibers, cracks, foreign objects

X-ray computed microtomography: micro cracks, cracks, and voids

Infrared thermography: inclusions, delamination, foreign objects, cracks, voids, impact damage

 

Not all testing methods are suitable for all situations and challenges will include:

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Growth in Contract Packaging Industry Fuels Innovation

Posted By ASC, Wednesday, April 3, 2019
Updated: Tuesday, April 2, 2019

As shopping moves online and e-commerce becomes the way to buy an ever-growing range of items, the contract packaging industry continues to grow. It is believed that the industry will exceed $100 billion during the 2019 financial year. With fierce competition for the leading places in the market, packaging companies are upping the ante with innovations they hope will give them a competitive edge.

Top new packaging technologies include:

  • Wafer Backside Coating Technology: Wafers and tracking chips are manufactured as uncut wafers, coated with a special paste spun and cured with UV light. Once the wafers have been cut to the desired sizes, their properties can be programmed in.
  • Thermocompression Flip-Chips: Real-time tracking is vital for successful e-commerce. Flip-chips join semiconductor components allowing for easy parcel follow-up. Thermocompression allows chips to be smaller and more durable, improving their performance.

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BLOG: Adhesive and Sealants Use in Automotive Drive Train: How do Internal Combustion Engines differ from Electric Motors?

Posted By ASC, Tuesday, April 2, 2019
Updated: Friday, March 29, 2019

Adhesives.org Blog Highlight

 

Adhesive and Sealants Use in Automotive Drive Train: How do Internal Combustion Engines differ from Electric Motors? 
by Jim Swope

 

As a generality, the similarities of adhesive and sealant use in internal combustion engines (IC) and electric vehicle motors (EV) are actually greater than the differences. Both systems have mechanical assemblies like bearings and gears that are retained with adhesives, threaded fasteners that are subject to vibration and thermal cycling necessitating adhesive augmentation, and systems that require sealing against fluid migration, dust, and air flow. Since I am still painting with a broad brush, the drivetrain of EV’s isn’t really all that different from other electric motors that have been built for a century. The primary differences of the EV motor lie in scale, environment, and source of electricity.

 

Of course, the devil is in the details with respect to each use and environment: IC applications can range from the relatively benign temperature requirements of ambient conditions for the vehicle (if the application is toward the cooling or non-combustion side) to extreme environmental conditions on the combustion or exhaust side. Exhaust components including the catalytic converter run too hot during operation for organic materials like epoxy, acrylic, or urethane. As temperatures rise, engineers turn to...

 

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Automotive Composites Require Specialized Quality Control and Inspection Standards (Part 1)

Posted By ASC, Friday, March 29, 2019

Strong, lightweight composites combined with adhesives are among the ways auto manufacturers create safer, less polluting cars with an enhanced driving experience. But, strong as the combination can be, flaws can occur, making standardized testing and inspection vital to motoring safety.

Faults within Composites include:

  • Broken fibers
  • Delamination of layers
  • Debonding
  • Matrix cracks
  • Wrinkles, folds, or bunching
  • Resin-rich pockets
  • Foreign objects
  • Voids
  • Blisters
  • Porosity

Flaws in adhesive joints could be caused by:

  • Incorrect mixing of adhesive components
  • Incorrect placement of adhesive
  • Voids and inclusions
  • Inadequate surface preparation
  • Partial mold release removal
  • Incorrect amounts of adhesive applied
  • Incorrect curing

Until recently, contact between composites and metals and resulting galvanic corrosion has limited their combined use, but the new BMW i3 may be the shape of things to come. The passenger cell or “Life Module” is almost exclusively made from molded carbon fiber composite components bonded together with adhesives. The structure is fitted to...

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BLOG: Electrically Conductive Adhesives

Posted By ASC, Wednesday, March 27, 2019

Adhesives.org Blog Highlight

 

Electrically Conductive Adhesives 
by Deb Bhattacharjee

 

There is a growing need of electrically conductive adhesives for the assembly and fabrication of electronic packaging devices, integrated circuits, solar cells/modules, LED (light emitting diode), LCD (liquid crystal display), OLED (organic light emitting diode display), RFID chips, etc. as these provide the critical functionality in conducting electricity by forming a mechanical bond between two surfaces. These are also viewed as safe and environmentally acceptable alternatives to conventional eutectic tin-lead soldering. The market opportunity as well as the technical needs of these materials are very significant with the increased adoption of flexible displays, curved screens and in-mold electronics.

Transportation and consumer electronic industries are the major market segments while Asia Pacific is the largest growth geography.  The adhesive chemistry is dominated by epoxy because it provides short cure time leading to overall improvement in processing time and productivity...

 

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Automotive Composites Require Specialized Quality Control and Inspection Standards

Posted By ASC, Tuesday, March 26, 2019

ADHESIVES.org Feature Article:

 

Strong, lightweight composites combined with adhesives are among the ways auto manufacturers create safer, less polluting cars with an enhanced driving experience. But, strong as the combination can be, flaws can occur, making standardized testing and inspection vital to motoring safety.


Faults within Composites include:

  • Broken fibers
  • Delamination of layers
  • Debonding
  • Matrix cracks
  • Wrinkles, folds, or bunching
  • Resin-rich pockets
  • Foreign objects
  • Voids
  • Blisters
  • Porosity

 

Flaws in adhesive joints could be caused by:

  • Incorrect mixing of adhesive components
  • Incorrect placement of adhesive
  • Voids and inclusion
  • Inadequate surface preparation
  • Partial mold release removal
  • Incorrect amounts of adhesive applied
  • Incorrect curing

 

Until recently, contact between composites and metals and resulting galvanic corrosion has limited their combined use, but the new BMW i3 may be the shape of things to come. The passenger cell or “Life Module” is almost exclusively made from molded carbon fiber composite components bonded together with adhesives. The structure is fitted to an aluminum chassis using adhesives and mechanical fasteners. 


Should this direction be the future of auto design, complications for quality control and testing will include the fact that composites can consist of several different types of layers. 
The i3 already demonstrates this with a honeycomb structure to absorb impacts, braided carbon fiber, and a foam core. Soon, fiber-metal laminates like glass laminate aluminum reinforced epoxy or GLARE, already used in aerospace applications, are likely to be used in cars too, adding to the complexity of quality control and testing tasks.


Non-destructive testing (NDT) methods in current use include:

 

READ MORE at ADHESIVES.ORG

 

 

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3M's Polyurethane Adhesive Takes on Mechanical Fasteners

Posted By ASC, Wednesday, March 20, 2019

3M reports that its Polyurethane Adhesive Sealant 560 is an improvement on traditional fasteners and can be used for bonding in trucks, trailers, and trains. The company reminds its clients that mechanical fasteners require holes to be drilled in the substrates, weakening them and potentially leaving them vulnerable to corrosion. Stress is also concentrated at the fastener instead of being spread over a wider area, and the appearance of rivets, bolts or screws can spoil the overall appearance and finish.

 

By contrast, 3M says its adhesive allows for a neat finish, stronger bonds, high impact resistance and high corrosion resistance with the added benefits of elasticity combined with high tensile strength. The company says the product also solves the problem of bonding dissimilar substrates, allowing designers greater freedom in their choice of materials.

 

3M reports that its Polyurethane Adhesive Sealant is UV resistant, bonds to metals, plastics, fiberglass, and wood, and is available in white, grey, or black.

 

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New Lap Shear Strength Results for PEEK to PEEK from MasterBond

Posted By ASC, Tuesday, March 19, 2019

MasterBond has published test results reflecting the lap shear strength for PEEK to PEEK for several of its adhesives. The findings show that EP3RR-80 has the highest lap shear strength value of MasterBond’s single-component epoxy systems. Among its two-part epoxies, MasterBond’s EP31ND had the highest lap shear strength.

 

The company says that by publishing its findings, it hopes to help engineers evaluate adhesive choices, but it warns that lap shear strength is not the only factor to consider when choosing an adhesive. Factors such as thermal conductivity, viscosity, and more may affect adhesive selection. Thus, SUP12AOHT-LO may not have the highest lap shear strength, but it would be the best choice if thermal conductivity is required, while EP30-2 offers a lower-viscosity option.

 

The company advises product designers to consult its technical advisors when determining materials specifications.

 

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3M’s Commitment to Sustainability Attracts Top Talent

Posted By ASC, Wednesday, March 13, 2019

The adhesive and sealant industry is fast becoming known for a host of sustainability initiatives. 3M, for instance, has set sustainability-related targets and is known for programs involving recycling, waste reduction, solar energy, and more.

 

It believes that its commitment to sustainability is a motivating factor for its workforce as well as a drawcard for top talent around the world. According to the firm, its governing principle is that science should be used to improve life and this makes it attractive to employees who want to feel as if they are working for the betterment of society and the well being of the planet.

 

The company has demonstrated its commitment to sustainability at the highest level by appointing its Vice President as its Chief Sustainability Officer, but 3M says these principles are applied at every level in the organization and that its employees are key to the successful implementation of sustainable practices.

 

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FOR IMMEDIATE RELEASE: ASC Announces Launch of Career Center

Posted By ASC, Monday, March 11, 2019

FOR IMMEDIATE RELEASE

 

Media Contacts:

Connie Howe

Senior Director, Technical Services
(301) 986-9700 x1111
connie.howe@ascouncil.org

 

Malinda Armstrong

Senior Director, Meetings & Expositions
(301) 986-9700 x1106
malinda.armstrong@ascouncil.org


  

 

ASC LAUNCHES CAREER CENTER FOR THE INDUSTRY AND ACADEMIA  



March 11, 2019 – Alexandria, VA – The Adhesive and Sealant Council (ASC) announced the launch of the ASC Career Center, a new career center that connects adhesive and sealant professionals across all disciplines and career stages with employers offering career opportunities. The ASC Career Center is a full-service website designed for extensive searching of polymer, adhesion, adhesives and sealants opportunities and expertise to benefit global job posters and job seekers in our industry.


“ASC’s mission statement; To deliver career education, innovation collaboration, community knowledge sharing and a unified industry voice,” has led to many new programs and platform launches over the last few years, with the ASC Career Center being the latest, said Malinda Armstrong, Senior Director, ASC


The adhesive and sealants (A&S) industry offers many diverse and exiting career paths in technical and commercial roles. From pressure sensitive adhesives that bond tapes and labels to specialty biomedical applications that can bond to human organs. From self-driving cars to aerospace adhesives requiring mixed material bonding and extreme durability, our industry offers very challenging career opportunities.


“What is exciting and unique about our ASC Career Center is the engagement and connection of both the academic institutions and industry on one platform,” Said Connie Howe, Senior Director, Technical Services at ASC. ”The industry can recruit top talent on our ASC Career Center through industry or academic channels. We offer our academic partners who have active polymer/adhesive program, a dedicated landing page to showcase their institution, research groups and student job seekers.”


In addition to serving as a robust source of up to thousands of adhesive and sealant job opportunities, the ASC Career center will be set apart by a number of benefits it offers:


Job Seekers

  • The ability to post, for FREE, anonymous resumes, providing complete control over which employers view their complete information
  • Multiple resume versions and tracking
  • ASC Certificate TAC graduate search capabilities
  • Integration of job content into social media channels to engage A&S professionals and provide valuable job exposure to The Adhesive and Sealant Council’s audiences and relevant users of Twitter, Facebook, LinkedIn and other social channels
  • A mobile-responsive environment to have an optimal experience, regardless of device being used
  • The ability to be alerted every time a new job becomes available that matches personal goals and interests
  • Integration of career resources, training and other benefits offered by the Adhesive and Sealant Council

 

Job Posters (Company and Institutions)

  • ASC Member companies get FREE job postings
  • Featured listings and wide exposure including brand advertising opportunities via company landing page
  • Multiple package options with global reach and distribution
  • A variety of options for employers to expose jobs to passive job-seeking A&S professionals who do not visit job boards, including Job Flash emails to the Adhesive and Sealant Council’s registered job seekers
  • The ability for job seekers and employers to gain exposure throughout our provider network of nearly 2,500 niche Career Centers

 

“The Adhesive and Sealant Council is a world-class organization whose members are an integral part of the country’s industry. Our ASC Career Center is an innovative gateway that brings an awareness of the Adhesive and Sealant industry, engages academic and industry professionals,” said Connie Howe. “The Career Center matches the right employers with the right talent to help keep our A&S companies well-staffed, and our A&S professionals’ careers moving along a rewarding path that meets their goals. As our tag line states: Innovators Secure the Future with Adhesives and Sealants. We now offer a way to connect innovators with the exciting world of adhesives and sealants,” said Howe.

For more information, please visit https://careers.ascouncil.org

 

 

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The Adhesive and Sealant Council (ASC) is a North American trade association dedicated to representing the adhesive and sealant industry. The Council is comprised of 117 adhesive and sealant manufacturers, raw material and equipment suppliers, distributors and industry consultants, representing more than 75% of the U.S. industry with operations around the world. Offering education, legislative advocacy, professional networking and business growth solutions for its members, the ASC is the center of knowledge and catalyst for industry growth on a global basis for manufacturers, suppliers and end-users. For more information about ASC, visit www.ascouncil.org.

 

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