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Magazine articles
Open Access
1995 TAPPI foundation/af&pa conference: paper industry research challenges, TAPPI JOURNAL, April 1996, Vol. 79(4)

1995 TAPPI foundation/af&pa conference: paper industry research challenges, TAPPI JOURNAL, April 1996, Vol. 79(4)

Magazine articles
Open Access
Catastrophic failure of cast iron dryer roll caused by severe erosion resulting from spoiler bar failures, TAPPI JOURNAL, April 1996, Vol. 79(4)

Catastrophic failure of cast iron dryer roll caused by severe erosion resulting from spoiler bar failures, TAPPI JOURNAL, April 1996, Vol. 79(4)

Magazine articles
Open Access
In-plant corrosion testing in chlorine dioxide environments, TAPPI JOURNAL, February 1996, Vol. 79(2)

In-plant corrosion testing in chlorine dioxide environments, TAPPI JOURNAL, February 1996, Vol. 79(2)

Magazine articles
Open Access
Corrosion-resistant fiberglass-reinforced plastic composites for chlorine dioxide environments - third report, TAPPI JOURNAL, January 1996, Vol. 79(1)

Corrosion-resistant fiberglass-reinforced plastic composites for chlorine dioxide environments - third report, TAPPI JOURNAL, January 1996, Vol. 79(1)

Magazine articles
Open Access
The global wood fiber equation - a new world order?, TAPPI JOURNAL, January 1996, Vol. 79(1)

The global wood fiber equation - a new world order?, TAPPI JOURNAL, January 1996, Vol. 79(1)

Magazine articles
Open Access
1996 nonwovens conference and trade fair, TAPPI JOURNAL, July 1996, Vol. 79(7)

1996 nonwovens conference and trade fair, TAPPI JOURNAL, July 1996, Vol. 79(7)

Magazine articles
Open Access
Fraser focuses on the future, TAPPI JOURNAL, June 1996, Vol. 79(6)

Fraser focuses on the future, TAPPI JOURNAL, June 1996, Vol. 79(6)

Magazine articles
Open Access
Panel discusses future papermaking technology, TAPPI JOURNAL, June 1996, Vol. 79(6)

Panel discusses future papermaking technology, TAPPI JOURNAL, June 1996, Vol. 79(6)

Magazine articles
Open Access
China paper technical program and exhibit came of age in 1995, TAPPI JOURNAL, March 1996, Vol. 79(3)

China paper technical program and exhibit came of age in 1995, TAPPI JOURNAL, March 1996, Vol. 79(3)

Journal articles
Magazine articles
Open Access
Continuous digester process safety improvements • Stress corrosion cracking and overpressure protection lessons learned and opportunities, TAPPI Journal October 2024

ABSTRACT: Georgia-Pacific has recent experience with continuous digester stress corrosion cracking (SCC) repairs where the extent of SCC was more than previous spot inspections had predicted (one digester had anodic protection, one did not). This paper offers case studies of reviewed and improved digester inspections by use of “boat” samples to quantify the depth of cracking mechanism. Boat sample test data is used to support repair recommendations based on hardness testing. Georgia-Pacific also reviewed overpressure protection systems and corrected gaps found in these systems. These included updating to the latest original equipment manufacturer (OEM) designs and formalizing functional testing procedures and practices. This review of digester inspection, testing, and repairs since 2020 provides: (1) a basis for including a 3rd party corrosion expert to be a part of inspections; (2) removes the use of power-wire brushes; (3) enhances digester inspection with 100% phased-array ultrasonic testing to detect SCC; and (4) ensures overpressure protection design and testing is aligned with corporate needs and the site-specific challenges.