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第四届亚洲土工合成材料学术大会论文集 英文版_49.docx

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pH=7. (c) pH=8. (d)pH=12.There were no obvious changes of the load al yield values at20°C and 40°C during four months long treatment. HDPE GMs(notched and un-notched) retained the original values at theseconditions.This indicates that at lower temperature (20°C and 40°C), HDPEGMs (notched and un-notched) have excellent chemicalresistance, machine resistance and good durability.While the temperature increased, at the first two months, a slightdecrease was observed in the load at yield values of N-S andUN-S HPDE GMs at 60°C and 80°C pH solutions bul itdecreased markedly in the third and fourth month in comparisonwith the load at yield values of HDPE GMs (notched and un-notched) treated in different pH solutions which showed nosignificant difference.The load at yield values decreased while the strain increasedwhen specimen were treated for more than two months whichclearly indicates the excellent chemical resistance of HDPEGMs (notched and un-notched) at higher temperatures (60°C

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Term
Summer
Professor
Eric Larson
Tags
Tensile strength, Statistical significance

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