Modeling of the fracture mechanism of HDPE subjected to environmental stress crack resistance test.(Report): An article from: Polymer Engineering and Science
Book Details
PublisherSociety of Plastics Engineers, Inc.
ISBN / ASINB0030XRTL2
ISBN-13978B0030XRTL9
MarketplaceUnited Kingdom 🇬🇧
Description
This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on November 1, 2009. The length of the article is 4646 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.
From the author: Environmental stress crack resistance (ESCR) is a commonly used test to characterize cracking failure of high-density polyethylene in applications such as wires, cables, blow molded containers, and other rigid packaging applications. From a resin design standpoint, it is important to understand the mechanism of environmental stress cracking especially in the case of materials with significantly different ESCR values. Currently, two standard ESCR tests, ASTM D1693 and ASTM F2136, are commonly accepted to measure environmental stress crack resistance of HDPE. An accurate observation of ESC is important to understand the fracture mechanism of samples. In this study, the ESCR performance of six HDPE samples was determined per ASTM D1693. The failed specimens were further characterized by scanning electron microscopy and fractographic methodology to investigate the failure mechanism. HDPE resins with low ESCR values had crack surfaces characterized by shorter and fewer fibrils. A new empirical model to predict polymer ESCR using tie chain concentration with different integration range, and water vapor transmission rate, to characterize detergent diffusion in the crack, was developed. The proposed empirical parameter improves the prediction of ESCR. The ability to predict ESCR performance from resin properties is a beneficial tool for new product development. POLYM. ENG. SCI., 49:2085-2091, 2009. [C] 2009 Society of Plastics Engineers
Citation Details
Title: Modeling of the fracture mechanism of HDPE subjected to environmental stress crack resistance test.(Report)
Author: Byoung-Ho Choi
Publication:Polymer Engineering and Science (Magazine/Journal)
Date: November 1, 2009
Publisher: Society of Plastics Engineers, Inc.
Volume: 49 Issue: 11 Page: 2085(7)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
From the author: Environmental stress crack resistance (ESCR) is a commonly used test to characterize cracking failure of high-density polyethylene in applications such as wires, cables, blow molded containers, and other rigid packaging applications. From a resin design standpoint, it is important to understand the mechanism of environmental stress cracking especially in the case of materials with significantly different ESCR values. Currently, two standard ESCR tests, ASTM D1693 and ASTM F2136, are commonly accepted to measure environmental stress crack resistance of HDPE. An accurate observation of ESC is important to understand the fracture mechanism of samples. In this study, the ESCR performance of six HDPE samples was determined per ASTM D1693. The failed specimens were further characterized by scanning electron microscopy and fractographic methodology to investigate the failure mechanism. HDPE resins with low ESCR values had crack surfaces characterized by shorter and fewer fibrils. A new empirical model to predict polymer ESCR using tie chain concentration with different integration range, and water vapor transmission rate, to characterize detergent diffusion in the crack, was developed. The proposed empirical parameter improves the prediction of ESCR. The ability to predict ESCR performance from resin properties is a beneficial tool for new product development. POLYM. ENG. SCI., 49:2085-2091, 2009. [C] 2009 Society of Plastics Engineers
Citation Details
Title: Modeling of the fracture mechanism of HDPE subjected to environmental stress crack resistance test.(Report)
Author: Byoung-Ho Choi
Publication:Polymer Engineering and Science (Magazine/Journal)
Date: November 1, 2009
Publisher: Society of Plastics Engineers, Inc.
Volume: 49 Issue: 11 Page: 2085(7)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
