Combine Shot Penning (SP) and Ultrasonic Impact Treatment (UIT) for Soil Corrosion Buckling Strength Enhancement of AA 2014-T4

Al-Alkawi, Hussain J.; Faris, Saad T.; Naji, Salam Nihad

doi:10.29194/njes.23020144

Cited by 4 publications

(1 citation statement)

References 4 publications

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“…The top frame uses aluminum 2014-T4 to get minimum weight. Its mass density is 2800 kg/m 3 , and the yield strength is about 290 Mpa [31]. As shown in Fig.…”

Section: Finite Element Analysismentioning

confidence: 96%

Efficient Body-Transfer Wheelchair for Assisting Functionally Impaired燩eople

Lin¹,

Bahrudin²,

Masroor³

2023

Computers, Materials &Amp; Continua

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Functionally impaired people always have difficulty accomplishing activities of daily living. In this regard, tasks including toileting and bathing have a higher prevalence rate of injuries and greater risk of falling. In this study, a body-transfer wheelchair was developed to assist people in transferring from bed to wheelchair for bathing, and toileting. The bodytransfer wheelchair is a semi-automatic wheelchair that has features such as a controlled leg and backrest, linkage commode slot, and height adjustment. The wheelchair consists of a seat and a main frame that can be detached to enable bathtub transfer. This mechanism lets the user stay on the seat while being transferred into the bathtub without any risk of falling. A linkage mechanism was developed as a part of the seat for ease of toileting. Kinematic and force analysis was conducted to calculate the force required for each actuator. It has been proved by the experimental results that the wheelchair can securely and comfortably transfer a patient from the bed to the toilet or bathtub. A survey has been conducted to evaluate the wheelchair prototype design idea. Two focus groups were chosen: one comprised of functionally impaired people, and the other comprised of caregivers. The results of the survey show that 60% of both functionally impaired people and caregivers would like to use the body-transfer wheelchair for toileting and bathing purpose. Additionally, on average 65% of both focus groups find it convenient to operate the body-transfer wheelchair independently.

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“…The top frame uses aluminum 2014-T4 to get minimum weight. Its mass density is 2800 kg/m 3 , and the yield strength is about 290 Mpa [31]. As shown in Fig.…”

Section: Finite Element Analysismentioning

confidence: 96%

Efficient Body-Transfer Wheelchair for Assisting Functionally Impaired燩eople

Lin¹,

Bahrudin²,

Masroor³

2023

Computers, Materials &Amp; Continua

View full text Add to dashboard Cite

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Buckling at Elevated Temperature for (6061-T6) Aluminum Alloy Columns under Increasing Load

Mshattat

Al-Alkawi

Reja

2021

J. Phys.: Conf. Ser.

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A column is a structural member that bears an axial compressive load and is more likely to fail due to buckling than due to material strength. Some of these columns work at high temperature and this temperature effects the behavior of buckling. Then the designer must takes this factor into consideration. The present work involves the high-temperature buckling of 6061-T6 aluminum alloy rod(column) at different range of temperature (room temperature to 200°C). This work study the critical buckling load (Pcr) under the above temperature dynamically. The (Pcr) can be predicted by Euler theory. It has been observed that the Euler theory is not satisfy to applied under high temperature unless using temperature safety factor. The results show that elevated temperature weakens the structure and decreasing its mechanical and buckling properties. From the experimental results, empirical equations were derived to predict yield strength, ultimate tensile strength, modulus of elasticity, critical buckling load and temperature safety factor at high temperature.

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Effect of shot peening on the critical buckling load of stainless steel 304 columns immersed in sea water

Bader

Alazawi

Al-Alkawi

et al. 2022

Curved and Layered Structures

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A machine part subjected to an axial compressive load is called strut. But, a vertical strut is known as a column. The machine members that must be investigated for the column action are connecting rods, piston rods, screw jack, etc. When a column is subjected to a compressive load and this load is gradually increased, a stage will be reached when the column will be subjected to ultimate load. Beyond this, the column will fail by crushing, and the load will be known as crushing load. When the column is short or intermediate, sometimes this column fails by bending, i.e. buckling. When the column is long, the value of buckling load is low for long columns and is relatively high for intermediate columns. The present investigation focuses on the testing and evaluation of the mechanical end buckling columns (samples) using 304 stainless steel under dry, corrosion, and combined dry with shot peening (SP) process. The buckling behavior of the axial compressive load has been studied experimentally and theoretically using Euler and Rankin theories. The results obtained from the above study manifested that the column, whose slenderness ratio (SR) is more than 120, is denoted as the long column, and the Euler theory can be successfully used. But, when the SR is less than 120, the column is known as an intermediate one. The mechanical and buckling properties exhibited a reduction due to the corrosion media and a reasonable improvement when using SP.

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Combine Shot Penning (SP) and Ultrasonic Impact Treatment (UIT) for Soil Corrosion Buckling Strength Enhancement of AA 2014-T4

Cited by 4 publications

References 4 publications

Efficient Body-Transfer Wheelchair for Assisting Functionally Impaired燩eople

Efficient Body-Transfer Wheelchair for Assisting Functionally Impaired燩eople

Buckling at Elevated Temperature for (6061-T6) Aluminum Alloy Columns under Increasing Load

Effect of shot peening on the critical buckling load of stainless steel 304 columns immersed in sea water

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