Welcome to RJLG Materials Insights!
The articles on this page represent a new endeavor among our multi-disciplinary scientific staff, providing a technical resource to our clients (existing and prospective) on a wide variety of materials behavior. Each internally peer-reviewed article is written by RJLG scientific staff based on our knowledge, training, and experience serving the analytical and consultative needs of diverse industries, both domestically and internationally. We acknowledge that the topics discussed here are frequently more complex and nuanced than can be covered in a short article, but it is our hope that the information provided will prove useful to the reader in understanding an array of materials phenomena, and convey some of the breadth and depth of knowledge and experience that RJLG applies to industrial problem solving and root cause analysis. New topics will be added on a regular basis so check back frequently or sign up for RJLG Materials Insights alerts.
We invite you to call 1.800.860.1775 for more information, or to get in contact with one of our scientific staff who can assist you in your project. We hope you enjoy this resource and find it useful.
Matthew J. Perricone, Ph.D.
Principal Investigator and Technical Consulting Group Manager
The reader should note that the summary descriptions presented in each article are offered for educational purposes only and no warranty (express or implied) is given on the applicability of this information to any component, material, application, or product. The articles are not intended to be a complete dissertation on the subject topic and the reader is encouraged to contact RJ Lee Group for consultation regarding individual applications, materials, or situations.
Articles
Predicting the Thermal Maturity of Shale
Written by: Jason Lupoi, Ph.D. Geochemists exploring potential hydrocarbon production from source rock must be able to accurately predict the…
Nondestructive Evaluation (NDE) of Concrete with Impact-Echo
Impact-echo is an acoustic non-destructive test (NDT) method developed by Sansalone and Carino1 in the 1980s for flaw detection in…
Environmental Stress Cracking in Plastics
Environmental stress cracking (ESC) is a well-documented phenomenon in plastic/polymer components and can occur when a polymer component is exposed…
Iron Sulfides in Concrete
Oxidation of Iron Sulfide Minerals Iron sulfides are accessory minerals found in a variety of rock types, with pyrite (FeS2)…
Alkali-Silica Reaction
What is Alkali-Silica Reaction? Alkali-silica reaction (ASR) is a common cause of premature concrete deterioration, resulting in expansion and cracking…
Stress Corrosion Cracking
What Is Stress Corrosion Cracking? Stress corrosion cracking (SCC) is an environmentally-driven failure mechanism that can be found in metal…