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Spotlight on: Cord Detection & Measurement

What is cord in glass? What are some common causes of cord? How can cord stress be measured? If you work in the batch and furnace areas of a glass plant, or in quality control at a manufacturer, filler, or decorator, then knowing the answers to these questions is essential to the safety and performance of your product. We will answer this questions for you in our new live webinar, “Spotlight on: Cord Detection & Measurement” on June 9th

American Glass Research (AGR) has been conducting fracture analysis seminars for over 80 years. With budgets and travel still restricted, AGR has constructed a brand-new webinar to introduce the fundamental concepts of fracture analysis to employees of glass manufacturers, fillers, and distributors.

During approximately 1.5 hours of instruction, we will discuss the different types of cord and their causes. The effects of cord stress on performance will be illustrated, following by a primer in polarized light and the ASTM C978 ring section stress measurement technique. Stresses due to ACL decorations, which are similar to those caused by cord, will also be explained. Through this webinar, participants will gain a current, practical understanding of cord in the glass industry.

This webinar is a live presentation consisting of a 1.5 hour session plus Q&A, and will be conducted by Dr. Brandon Aldinger. For those unable to view the live broadcast, the webinar will be recorded so attendees can replay the presentation at their convenience. The live broadcast will be conducted at 9:00 EDT/13:00 GMT/15:00 CEST. The cost is $250 per person.

CONTACT US If you have any questions: https://americanglassresearch.com/questions/contact-us 


The Webinars and E-seminars presented by on this site are solely for the use and viewing of those individuals (attendees) that have registered and purchased the material. Any rebroadcast, re-transmission or distribution of the video, descriptions, or discussion of the Webinars or E-seminars materials without the express written permission of American Glass Research are prohibited. More information can be found here.

Date of Live Webinar

The webinar starts at 9:00am EDT/13:00 GMT/15:00 CEST is about 1-1.5 hour long.

  • Thursday June 9

Topics to be covered

  • Cord types and sources during glass melting

  • Performance effects of cord on containers

  • Methods for cord detection in containers

  • Overview of cord stress measurement using ring sections and a polarized light microscope, per ASTM C78

Webinar Instructor

Senior Scientist

Brandon Aldinger

Brandon joined American Glass Research in 2015, where his areas of responsibility include fracture diagnosis, stone identification, pharmaceutical services, and internal research. He has published multiple technical papers on the optical and mechanical testing of laminated glass systems and on the surface chemistry of silicon. Brandon obtained his B.S. in Chemistry at Penn State University and went on to earn his Ph.D. in Physical Chemistry from Cornell University. Previously, he spent five years as the Materials Scientist at Ibis Tek, LLC, where he designed bullet-resistant glass products and supervised an ISO 17025-certified testing laboratory.

Course curriculum

  • 1

    Spotlight On: Cord Detection & Measurement

    • Cord Detection & Measurement

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Let's begin your journey in understanding glass container annealing stresses.

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Contact us to purchase hard copies of the PowerPoint slides for $75.

Interested in purchasing a paper binder of the PowerPoint slides? Reach out to us and mention "Cord Detection & Measurement" and we will ship the slides directly to you.