ASTM D256塑料耐冲击性的测定

ASTM D256 塑料耐冲击性测定的标准试验方法
ASTM D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
 
ASTM D256塑料耐冲击性测定的标准试验方法简介：此方法包含了安装在标准设备上的标准摆锤度对塑料耐冲击性能的测定。ASTM E256标准测试的测试方法要求样本有一缺口。在测试方法A，C和D中，缺口集中产生应力从而增加了脆性而不是韧性和断裂的可能。
 
ASTM D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics scope: These test methods cover the determination of the resistance of plastics to “standardized”  pendulumtype hammers, mounted in “standardized” machines, in breaking standard specimens with one pendulum swing . The standard tests for these test methods require specimens made with a milled notch . In Test Methods A, C,and D, the notch produces a stressconcentration that increases the     probability of a brittle, rather than a ductile, fracture.
 
ASTM D256塑料耐冲击测试相关的其他机械性能测试标准：
 
ASTM D648弯曲负荷下塑料的挠曲温度的标准试验方法
ASTM D648 Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
 
ASTM D570塑料吸水率的标准试验方法
ASTM D570 Standard Test Method for Water Absorption of Plastics
 
ASTM D638 塑料产品拉伸性能的标准试验方法
ASTM D638 Standard Test Method for Tensile Properties of Plastics
 
ASTM D2583用巴科尔硬度仪对硬质塑料压痕硬度的标准试验方法（巴氏硬度）
ASTM D2583 Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor
 
ASTM D695硬质塑料压缩性能的标准试验方法
ASTM D695 Standard Test Method for Compressive Properties of Rigid Plastics
 
ASTM D256塑料耐冲击性测定的标准试验方法
ASTM D256 Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics
 
ASTM D790 未加强和加强塑料与电绝缘材料的弯曲性能的标准试验方法
ASTM D790 Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

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 來源：防火網　發布時間：7/15/2013 點擊次數：1804