Kinetics and microscopic processes of long-term fracture in polyethylene-piping materials. Annual report, February 1, 1990-February 1, 1991

Technical Report · Mon Jul 01 04:00:00 EDT 1991

OSTI ID:6023542

Brown, N; Lu, X

The report contains 10 published papers entitled: Discontinuous Crack Growth in Polyethylenes under a Constant Load; Accelerated Test for Evaluating Slow Crack Growth of a Polyethylene Copolymers in Igepal and Air; The Mechanism of Slow Crack Growth in Polyethylene by an Environmental Stress Cracking Agent; Dependence of Slow Crack Growth in Polyethylene on Butyl Branch Density - Morphology and Theory; A Fatigue Test for Controlling the Quality of Polyethylene Copolymers; The Dependence of Slow Crack Growth in Polyethylenes on Molecular and Morphological Structures; Effect of Annealing on the Morphological and Mechanical Behavior of an Ethylene-Hexene Copolymer; Slow Crack Growth in Polyethylene - A Review; The Effect of Pressure and Contaminants on a Butt Fusion in a Polyethylene Gas Pipe; The Prediction of Long Term Performance of Plastic Pipe from Fatigue Tests.

• Research Organization: Pennsylvania Univ., Philadelphia, PA (United States). Dept. of Materials Science and Engineering
• OSTI ID: 6023542
• Report Number(s): PB-92-108844/XAB; CNN: GRI-5087-260-1468
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
032000* -- Natural Gas-- Transport
Handling
& Storage
36 MATERIALS SCIENCE
360603 -- Materials-- Properties
ANNEALING
CRACK PROPAGATION
ENERGY SOURCES
FATIGUE
FLUIDS
FOSSIL FUELS
FRACTURE MECHANICS
FUEL GAS
FUELS
GAS FUELS
GASES
HEAT TREATMENTS
INTERLABORATORY COMPARISONS
KINETICS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MECHANICS
MICROSCOPY
MOLECULAR WEIGHT
NATURAL GAS
NATURAL GAS DISTRIBUTION SYSTEMS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
PIPES
PLASTICS
POLYETHYLENES
POLYMERS
POLYOLEFINS
PRESSURE DEPENDENCE
REACTION KINETICS
SYNTHETIC MATERIALS
TESTING