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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_51.docx

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33UM-8.40-c se*cT«mo»ratiir» (*C)UH-8. *7E22A«not.Fig. 420X40 "CTemoemtur*Average elongationSO-Ccc>20-C40"C68"CTemperatur* ("C>at yield of tensile properties of UN-S HDPE GMs treated in pH solution for four months; (a)pH=4, (b) pH=7, (c) pH=8, (d) pH=12Stress Crack Resistancenexibility in HDPE GMs which in turn showed lower tensilestrength. No obvious differences were observed betweenalkaline (Fig. 5 (b)) and acidic treatments (Fig. 5 (a)) of eachkind of HDPE GMs specimens (CMD-S, MD-S, CMD-T andMD-T).This suggests that different types of HDPE GMs have thesimilar stress crack resistance at the same temperature, inboth acidic and alkaline conditions. Stress crack resistancetimes of the HDPE GMs under different conditions weresummarized in Table 3.NCTL Test (pH=8, HDPE GMs)10060604020ssaisFig. 5 shows the percent yield stress versus failure timeHDPE GMs immersion in acidic (pH=4) and alkaline
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Term
Summer
Professor
Eric Larson
Tags
Tensile strength

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