scholarly journals Effects of temperature on nucleation and collapse of volatile bubbles in the high density polyethylene melt

2021 ◽  
Vol 93 ◽  
pp. 106932
Author(s):  
Lei Xu ◽  
Zhengliang Huang ◽  
Yao Yang ◽  
Binbo Jiang ◽  
Jingyuan Sun ◽  
...  
1981 ◽  
Vol 25 (1) ◽  
pp. 153-160
Author(s):  
Seisuke Okubo ◽  
Yukio Hori

Author(s):  
Cliff Searfass ◽  
Jeffrey P. Milligan ◽  
Michael S. Lashley

This paper presents a method for investigating the integrity of high density polyethylene (HDPE) butt fusion joints and mitered joints. The scanning technique utilizes an ultrasonic phased array pitch-catch scanning method that provides full volumetric coverage of the fusion zone for the detection of inclusions and surface-breaking defects. Empirical results supported by numerical modeling are presented. Additionally, the effects of temperature on focalization and the proper countermeasures are discussed.


1964 ◽  
Vol 21 (231) ◽  
pp. 385-397 ◽  
Author(s):  
Jun Ui ◽  
Yukihiko Ishimaru ◽  
Shigeru Saito ◽  
Yoshiro Mori

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