FORD FLTM BP 156-01-2007 ELASTOMER PHYSICAL PROPERTIES RESISTANCE TO FLUIDS TO BE USED WITH FORD WSS-M99P1111-A 《弹性体的物理性能 耐流体性能 与标准FORD WSS-M99P1111-A一起使用 》.pdf
《FORD FLTM BP 156-01-2007 ELASTOMER PHYSICAL PROPERTIES RESISTANCE TO FLUIDS TO BE USED WITH FORD WSS-M99P1111-A 《弹性体的物理性能 耐流体性能 与标准FORD WSS-M99P1111-A一起使用 》.pdf》由会员分享,可在线阅读,更多相关《FORD FLTM BP 156-01-2007 ELASTOMER PHYSICAL PROPERTIES RESISTANCE TO FLUIDS TO BE USED WITH FORD WSS-M99P1111-A 《弹性体的物理性能 耐流体性能 与标准FORD WSS-M99P1111-A一起使用 》.pdf(2页珍藏版)》请在麦多课文档分享上搜索。
1、 FORD LABORATORY TEST METHODBP 156-01Date Action Revisions 2007 06 07 Activated L. Rodrigues Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 2 ELASTOMER PHYSICAL PROPERTIES RESISTANCE TO FLUIDS Application To measure the change in hardness, tensile strength, e
2、longation at break and volume, of elastomers, vulcanized or thermoplastic, before and after ageing at high temperature in a standard oil or a CVJ grease. This method is based on ISO 1817and adopted by Ford in Brazil. Apparatus Required The test is conducted in an oven capable of maintaining the test
3、 temperature within +/- 1C. Test Pieces All test pieces shall be cut from the same batch of material, no two test pieces shall be cut from the same boot or sheet. Volume, hardness and tensile properties are described in ASTM D 471, ASTM D 2240 and ASTM D 412 respectively. Method Hardness and tensile
4、 properties shall be measured according to ASTM D 2240 and ASTM D 412 respectively. The dimensions of the tensile test pieces shall be measured before ageing. The method described in ASTM D 471 shall be used to determine the volume of the test pieces. Weight the volume test pieces in air to the near
5、est milligram. Then reweigh each test piece suspended in water. Place the test pieces, suitably separated, in a glass or aluminium container with a volume of the test fluid at least 15 times the combined volume of the test pieces and sufficient to keep them totally immersed. Close the container. The
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