I can calculate only UTS but some questions I don't know how to attempt

  • Thread starter Martin TSK
  • Start date
In summary, the conversation is about calculating the ultimate tensile strength (UTS) using the formula UTS = Max load/Area. The speaker provides an example where the UTS is equal to 200 Megga N/m² and asks for the area when the diameter is 12 mm. The other person responds by asking for progress on the question and suggesting that the speaker use LaTeX to make their work more legible.
  • #1
Martin TSK
5
1
Homework Statement
Hello guys. Please help me how to attempt this question.
The maximum load in a tensile test on a mild steel specimen is 90 kN. If the test piece is 12 mm in diameter, calculate
a) the UTS
b) the working stress
c) the greatest allowable load on 25 mm in diameter
d) state Hooke's law
(Take factor of safety as 3)
Relevant Equations
Uts = max Load/Area
20220825_121040.jpg
 
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  • #2
What progress have you made in answering the question, so far ? Show some work.
 
  • #3
hmmm27 said:
What progress have you made in answering the question, so far ? Show some work.

UTS = Max load/Area
Uts =90000N/0.00045 m²
UTS =200Megga N/m²
 
  • #4
If 12 mm is the diameter, what is the area?
 
  • #5
hmmm27 said:
What progress have you made in answering the question, so far ? Show some work.
20220901_073757.jpg
Sideways 01_Upright02.jpg
 
Last edited by a moderator:
  • #6
@Martin TSK -- Please stop posting your handwritten work with dim sideways pictures. They are unreadable; I have processed your latest image above to make it upright and improve the contrast, but it is still very hard to read and comment on your work.

Instead, please look at the "LaTeX Guide" link at the top of the Edit window. Please post your math work in LaTeX so it is legible and easier for us to quote and comment on. Thank you.
 

FAQ: I can calculate only UTS but some questions I don't know how to attempt

How do I determine the Ultimate Tensile Strength (UTS) of a material?

The UTS of a material can be determined by conducting a tensile test, which involves pulling a sample of the material until it breaks. The UTS is the maximum stress that the material can withstand before breaking.

What factors affect the UTS of a material?

The UTS of a material can be affected by various factors such as the composition, structure, and processing of the material. Other factors include temperature, strain rate, and environmental conditions.

Can UTS be calculated without conducting a tensile test?

No, the UTS of a material cannot be accurately calculated without conducting a tensile test. Other methods such as hardness testing or impact testing can provide an estimation of the UTS, but they are not as precise as a tensile test.

How can I improve the UTS of a material?

The UTS of a material can be improved by altering its composition, structure, or processing. For example, adding alloying elements or heat treating the material can increase its UTS. It is also important to consider the intended use of the material and select one with suitable properties.

What is the significance of UTS in material testing?

The UTS is an important mechanical property that helps determine the strength and durability of a material. It is often used to compare different materials and select the most suitable one for a specific application. UTS values can also be used to predict the behavior of a material under different conditions.

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