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首頁 » 測試解決方案 » 按材料分類的測試解決方案 » 塑膠 » Impact » ASTM D256 Izod Impact

ASTM D256對回收碳纖維製成的碳/PPS複合材料的Izod衝擊

Specimen

  • Izod
  • 矩形
  • 棒

Standard

  • ASTM D 256

Company

  • MPAD (Materials processing and applications development) center at UAB (University of Alabama at Birmingham)

Materials

  • 塑膠
  • 複合材料

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  • 航太與供應商
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  • 衝擊 / 高速
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聚對苯硫醚(PPS)是一種半晶狀材料,屬於耐高溫聚合物,其熔點為285℃。PPS為脆性,因此常與填料結合使用。碳纖維適合用於增強機械性能,尤其是PPS的耐衝擊性。然而,由於新碳纖維複合物的成本較高,因此複合材料工業中越來越多開始使用回收碳纖維。退役飛機、舊預浸材料和製造廠的廢料都是回收碳纖維的主要來源。

這些PPS-碳纖維摻合物可用於公共運輸、汽車零件等,因此Izod衝擊等製程性能特質對於研究者和業界而言是非常重要的參數。我們使用CEAST 9050衝擊測試機對擠壓PPS(粉末基材)和回收碳纖維的摻合物(纖維長度為6.35至12.7mm)製成的試片進行Izod衝擊測試。這些模壓板將根據ASTM D256,使用CEAST自動切角機AN50進行切割(3.17 mm x 10.16 mm)和切角。我們使用5.5 J的擺錘,依據ASTM D256衝擊碳纖維/PPS試片。

Izod衝擊測試的結果以能量吸收值表示,在0.5 J至3.50 J之間。重複破壞模式,發現纖維基材的相互作用保持一致性。由於材料經過擠壓成型製程,因此Izod衝擊測試的結果似乎對加工板的纖維方向比較敏感。

感謝阿拉巴馬大學伯明罕分校(University of Alabama at Birmingham , UAB)「材料加工與應用發展(The Materials Processing and Applications Development, MPAD)中心」貢獻上述部分資訊。

CEAST 9000 Series Pendulum Impact Series

Impact resilience is one of the most important properties and cost-effective evaluations for material producers, both with respect to product development and quality control. As components could fail at stress levels well below the critical fracture stress, accurate determination of impact damage propagation is necessary. With the combined experience of CEAST, Instron® has more than 50 years experience in designing pendulum impact testing systems.

  • Products
  • 9/12/2013
  • 1.7 MB

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