分析铝刮伤耐受性测试结果,对象是使用扭矩弯曲类型的制动鞋

W. Wahyono, Eko Nugroho, Sulis Dri Handono, Eko Budiyanto
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引用次数: 6

摘要

二手制动蹄片是两轮车辆的一个部件,它有一种铝材料。因此,我们可以将不能再用的制动蹄片中的铝进行重熔,进行高级应用利用,并对仍有销售价值的制动蹄片废弃物进行利用。本研究旨在确定给定试样的每种载荷变化的最佳值或接近疲劳极限耐力值的值,并从给定载荷的差异中确定断口的特征。疲劳试验采用的研究方法是采用文献研究和直接观察或观察相结合的方法。在进行疲劳试验之前,首先进行拉伸试验以获得屈服强度值,该值用于将给予疲劳试验的载荷,疲劳试验的载荷变化为屈服强度值的40%,50%和60%。从60%载荷下,应力为100.2 MPa,给定载荷为3.81 kg的疲劳试验结果可以看出,在27,421次循环,00:18:16时间范围内,材料的断裂值。则在50%载荷下,应力为83.5 MPa,给定载荷为3.18 g,可以看出,断裂周期内51659次循环中材料的断裂值为00:34:35。然后在下一次载荷为40%的试验中,在应力为66.8 MPa,载荷为2.5 kg的条件下,已知材料在106,930次循环的断裂周期中断裂值达到01:11:17。从试验数据可以得出,周期和时间与电压成反比,即电压越小,得到的周期和时间越大,反之,电压越大,得到的周期和时间越小。关键词:旧刹车蹄片,铝,重熔,载荷变化,疲劳试验
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Analisa uji ketahanan fatigue Aluminium scrap hasil remelting sepatu rem (brake shoe) terhadap variasi beban menggunakan tipe rotary bending
Used brake shoes are a component of a two-wheeled vehicle that has a type of aluminum material. Therefore, we can do remelting aluminum from brake shoes that can no longer be used for advanced application use and utilization of brake shoe waste which still has a sale value. This study aims to determine the best value or the one that approximates the fatigue limit endurance value of each loading variation given to the specimen and to determine the characteristics of the fracture surface from the differences in given loading. The research method used for fatigue testing is by using a literature study and direct observation or observation. Before doing the fatigue testing, first, do the tensile test to get the yield strength value where this value is used for the loading that will be given to the fatigue test, the loading variations are given for the fatigue test are 40%, 50%, and 60 % of the yield strength value. From the results of fatigue testing at a load of 60% with the stress of 100.2 MPa and a given load of 3.81 kg, it can be seen that the value of material fracture at 27,421 cycles and in the timeframe 00:18:16. Then at 50% loading with the stress of 83.5 MPa and a given load of 3.18 g, it can be seen that the fracture value of the material in the 51,659 cycles in the fracture period is 00:34:35. Then in the next test with a load of 40% and given the stress of 66.8 MPa and a load of 2.5 kg, it is known that the fracture value of the material in the 106,930 cycles in the fracture period reaches 01:11:17. From the test data, it can be concluded that the ratio between cycle and time with voltage is inversely proportional, that is, the smaller the voltage the greater the cycle and time obtained, and vice versa, the greater the voltage, the smaller the cycle and time will be obtained. Keywords: Used brake shoes, Aluminum, Remelting, load variation, fatigue test.
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