Tuesday, April 30, 2019

Jute Material Coursework Example | Topics and Well Written Essays - 1250 words

Jute Material - Coursework ExampleDue to its resistive nature, the modify jute shows signs of being loaded after 23 milliseconds in the test. As indicated by the represent above the jump on that follows soon after is represented by a shoot that is almost linear to the almost 2200 newtons mark after which the graph begins a drop, which creates a spike. The drop records a low of middling above 1500 newton after which more force is applied to the jute where it spikes up to a force of 3300 newton. aft(prenominal) which the drop follows. The drop is characterised by spikes resulting from the applied force as depicted in the graph in the twentieth and forty-sixth millisecond gap. The uncharacteristic drops in the lading process indicate a engagement in prohibitionist jute that is uncharacteristic of the normal loading slide on the solid materials, and it reveals some characteristics of the teetotal jute.The test time that is recorded by the change jute on the load increase is ap proximately 36 milliseconds after which the load is at the peak. The overall test records a time of approximately 46 milliseconds. From this, it is apparent(a) that the unloading or negative slope part of the graph takes less time compared to that of the loading part. The dry jute graph exhibits some unexpected results. Being a solid material, the graph that was expected on loading should have been characteristically smooth (Rees, 2000, p.123), but in this circumstance, it had recorded instances and occurrence of sharp peaks in twain the loading and unloading process.... 21), the fibre loses its elasticity element and enters the permanently deformed state. The fibre lingers shortly in the deformation phase, before suffering a complete breakdown in structure in this state. The breakpoint in the dry jute case is recorded at approximately 20.5 Joules. Wet Jute In construction, Jute is mostly used in its dry form. The presence of fluid in the internal structure of jute affects its me chanical properties as displayed in the graph. The put to pointher of having the fluid in the jute is blown up when the material is put under high deformation forces. The preposterous jute displays similar properties in the initial test phases as depicted by the graph. The impish jute in this case is raw jute, which has not been pre-processed. It is harvested straight from the farms and used in this experiment. In the first stage of testing, the fibre shows resilience to the impact test forces just as the dry jute. It begins to show signs of deformation slightly before the ordinal milliseconds mark. After which it takes on elastic properties as the dry jute, with the graph being more linear-like when compared to the dry jute. The curve leading to permanent deformation in this case tends to arc more and its start point occurs before than that of dry jute. The breakpoint of wet jute is recorded at about 17 Joules. However, it takes about 40 milliseconds for the wet jute to get to the breaking point in the graph. Graph 2 Standard force Test time graph By applying standard force on the subjects, it is easy to establish the ultimate and yield stresses on the fibres. The dry and wet jute display different results in the experiment as indicated by Barsom and Rolfe (1999, p. 291). In conducting this experiment, the dry and wet jute

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