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Effect of temperature on the tensile strength of stainless steel wire mesh and fiber reinforced polymers
Published in Alka Mahajan, B.A. Modi, Parul Patel, Technology Drivers: Engine for Growth, 2018
P.J. Shah, P.V. Patel, S.D. Raiyani
Bonding material Sikadur 30 LP was used for bonding steel plate with strip specimens. Sikadur 30 LP was applied on two steel plates and above it, strip specimen was placed in such a way that no voids remained between FRP and steel plate. For proper bonding sufficient weight was put on steel plates. Each specimen was kept for curing up to 7 days at ambient temperature to get sufficient bond strength between steel plates and strip specimen. Then coupons were exposed to different temperatures of 50°C, 100°C, 150°C, 200°C, 250°C and 300°C, respectively in a standard muffle furnace for 45 min. The standard muffle furnace can achieve a maximum temperature of 1000°C. The muffle furnace temperature was controlled using a digital system as shown in Figure 2. Specimens after exposure of different elevated temperature are shown in Figure 3.
Heat Treatment Furnaces
Published in Bankim Chandra Ray, Rajesh Kumar Prusty, Deepak Nayak, Phase Transformations and Heat Treatments of Steels, 2020
Bankim Chandra Ray, Rajesh Kumar Prusty, Deepak Nayak
In contrast, in the case of gas-fired muffle furnaces, the muffle gets heated by the hot gases generated outside the muffle (Figure 9.3). The hot gases are made to circulate through the space between the interior wall and the exterior muffle wall. Since the combustion products of the gas do not enter the heating chamber or muffle, scaling of the components is prevented. Muffle furnaces are used for annealing, nitriding, and hardening purposes.
Effect of intercritical processing temperature on mechanical properties, microstructure and microhardness of ferrite - bainite medium carbon dual phase steels
Published in Cogent Engineering, 2021
Gurumurthy B M, Achutha Kini U, Sathyashankara Sharma, Pavan Hiremath, Gowrishankar M C
The various test specimens prepared for determining the mechanical properties such as tensile strength, hardness and impact strength are subjected to normalizing (Figure 1, Path A-B-C-D) heat treatment to analyze the effect of standard refined room temperature structure on the said mechanical characteristics. The combined heat treatment cycle used to carry out the normalizing and DPS heat treatment is shown in Figure 1. The muffle furnace having a range of operating temperature from 300 to 1000 °C is used for heat treatment. Normalising is carried out for all the specimens by heating to supercritical temperature (900 °C) for 2 hours followed by air cooling.