material exceed more than -1% - +1% of the maximum load. Loading Noses and supports- In order to avoid excessive indurations or failure to stress concentration they must have cylindrical surfaces. The radii of the loading nose should be 5±1 mm unless specified or agreed upon between the interested clients. If other sorts of loading Noses and supports are used the following conditions are required- 3.2mm or more in depth, radius should be 1.6 times the specimen depth, shall have 3.2 mm of the minimum radius, the arc of the loading nose should be sufficiently…
There are 2 types of strengths that materials can be tested on: Comprehensive strength and Ultimate Tensile strength. Ultimate Tensile strength is measured by how much stress can a material withstand, while being stretched or pulled apart before breaking, while comprehensive strength is how much van the material resists while being pushed in (together). There is also a Yield Strength- the point at which the material starts to slowly break and cannot come back to it’s shape. Before the yield…
CHAPTER- 5 ANALYSIS OF STEEL LEAF SPRING ________________________________________________________________ The aim of this analysis is to study the multi-leaf steel leaf spring under loading conditions and verify those results within the allowable limits. ANSYS software is used to analyze the stresses and strains by performing static analysis for the given leaf spring specifications and modal analysis is performed to determine the natural frequencies and mode shapes to asses the behavior of the…
Bending Strength requirement This is the first body requirement and its task is to support all the vehicle subsystems. The body in static is going to suffer bending due to the weight of the components, passengers, fuel and cargo, Figure 42. Similar to a beam simple supported, the very first requirement is that the structure bend sufficient to absorb the energy due to the weight, but has to withstand the weight under different loading scenarios. Figure 42: Body loading under a static scenario…
dimensions are 10 mm × 10 mm × 55 mm and V- notch made at angle of 45° with a depth of 2 mm then the experiment was done and values were tabulated. 3.3 SHORE DUROMETER HARDNESS STRENGTH Hardness was defined as materials resisting property to prevent permanent indentation. Durometer is a measure of hardness in polymers, fibre and rubbers where it measures the indentation depth in the material. According to ASTM D2240 tests were conducted on specimen using Durometer in the room temperature [5].…
combined stress Where, Permissible shear stress = (Yield strength in shear under tension test)/(Factor of safety )= ((Sys)T.T)/N= Syt/2N Absolute max ≤ ((Sys)T.T)/N orSyt/2N For tri-axial state of stress, Larger of [|(σ1 -σ2)/2 |, |(σ2 -σ3)/2 |, |(σ3 -σ1)/2 |] ≤ Syt/2N Larger of [|σ1 – σ2|, | σ2 – σ3|, | σ3 – σ1|] ≤ Syt/N For Biaxial state of stress, σ3 = 0 |σ1/2 | or |(σ1 -σ2)/2| ≤ Syt/2N |σ1| ≤ Syt/N when σ1, σ2 are like in nature ------------------Eq. (2) |σ1 – σ2| ≤ Syt/N when σ1, σ2…
Supply, Demand, and Market Prices are very key to the Economics world. The two, Supply and Demand, impact each other and impact prices of services within an economy and as well as consumer goods. Supply is the amount of a good or service that is obtainable at a certain time to consumers. When we talk about consumers, they reveal attention in buying a good or service, exhaust available supply, the when that happens the demand will certainly rise. Demand is a calculation of consumer wants and…
4.TAGUCHI ANALYSIS FOR THE EXPERIMENTAL RESULTS To examine the 100Cr6 bearing steel through DCT, and to identify the optimum parameter condition of the DCT process, the prediction of the Taguchi analysis is used. The Taguchi analysis and ANOVA, gives the optimized parameter setting and the most influential factor of the DCT process respectively. The quality performance of the deep cryo-treated 100Cr6 steel samples based on the L9 OA was evaluated by conducting the reciprocatory wear tests.…
Businesses and employees must be resilient in order to survive and thrive in today’s marketplace (Harrington, A. (2012). While technology has improved the quality of our lives and enabled businesses to operate more efficiently, it also dramatically accelerated the speed of change and forced companies to compete in a global marketplace. Thus, increasing competition, shortening product life cycles, and placing a greater emphasis on innovation and speed to market. The combined impact of these new…
According to Masten, Best, and Garmezy, 1990, resilience can be defined as "the capacity for or outcome of successful adaptation despite challenging or threatening circumstances" (AFT, 2012 p.34). In my experiences as a school counselor, I have dealt with many resilient students who have faced challenges that the average person may be unable to relate to. It is my job as an educator to instill many of these qualities relating to resilience in order to help them lead a productive and positive…