Tensile Strength and Elasticity Coefficient

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Questions and Answers

Tensile strength measures a material's resistance to being stretched or broken under external forces.

True (A)

The unit of measurement for tensile strength is typically expressed in kilograms per square meter.

False (B)

The coefficient of elasticity indicates a material's ability to resist deformation.

True (A)

If a material is elastic, it returns to its original shape after the applied force is removed.

<p>True (A)</p>
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Tensile strength and coefficient of elasticity are two aspects of the same phenomenon.

<p>False (B)</p>
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The coefficient of elasticity can change based on the type of material and its temperature.

<p>True (A)</p>
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Both tensile strength and coefficient of elasticity must be considered for accurate engineering and technological proposals.

<p>True (A)</p>
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Deformation forces do not affect the coefficient of elasticity of a material.

<p>False (B)</p>
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Tensile strength is essentially the maximum amount of deformation a material can tolerate before breaking.

<p>False (B)</p>
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The coefficient of elasticity is solely related to how a material reacts to heat.

<p>False (B)</p>
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Flashcards

Tensile Strength

Tensile strength is a material's ability to withstand pulling forces before breaking or permanently deforming. It measures how much stress a material can handle before it stretches or snaps.

How is tensile strength measured?

The tensile strength of a material is measured by the amount of force it can withstand before breaking.

What units are used to measure tensile strength?

Tensile strength is measured in units of force per unit area, typically Newtons per square millimeter (N/mm²) or Megapascals (MPa).

Coefficient of Elasticity

The coefficient of elasticity, also known as Young's modulus, measures a material's ability to resist deformation under stress. It reflects how much a material will stretch or compress under a given force.

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What does a high coefficient of elasticity mean?

A high coefficient of elasticity indicates a material is stiff and resists deformation, while a low coefficient indicates a material is more flexible and deforms easily.

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What units are used to measure the coefficient of elasticity?

The coefficient of elasticity is measured using the same units as stress: Newtons per square millimeter (N/mm²) or Megapascals (MPa).

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What does the coefficient of elasticity tell us about a material?

The coefficient of elasticity determines how a material responds to stretching or heating. It's an indicator of the material's elastic properties.

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Difference: Tensile strength vs. coefficient of elasticity

Tensile strength refers to how much force a material can withstand before breaking or permanently deforming, while the coefficient of elasticity describes how much it deforms under stress and how much it will return to its original shape.

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Importance: Tensile strength and coefficient of elasticity

Both tensile strength and coefficient of elasticity are crucial in engineering and design. Understanding them ensures structures are strong enough to withstand applied forces and flexible enough to handle deformation.

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Engineering applications: tensile strength and coefficient of elasticity

The coefficient of elasticity helps engineers determine how a material will respond to stress without breaking while tensile strength tells them the absolute maximum force it can handle before failure.

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Study Notes

Сурулуу кучу (Tensile strength)

  • Сурулуу кучу - материалдын сырткы күчтөрдүн таасири астында созулуп же каршылашын көрсөтүүчү өзгөчөлүгү. Материалдын созулууга каршылык көрсөтүүсүн чагылдырат.
  • Стандарттуу сыноо сынамаларын колдонуп өлчөнөт. Белгилүү бир күчтү колдонуп, сынаманын созулушу же сынышы байкалат.
  • Н/мм² же МПа менен өлчөнөт.

Сурулуу коэфициенти (Coefficient of elasticity)

  • Сурулуу коэфициенти - материалдын деформацияга каршылыгын көрсөтөт. Материалдын деформацияланууга канчалык туруктуу экенин көрсөтөт.
  • Материалдын эластиктүүлүгүн чагылдырат. Күч алынып салынганда, эластик материал баштапкы абалына кайтып келет.
  • Материалдын созулууга же ысытууга кандай жооп берерин аныктайт. Материалдын эластиктүүлүгү сурулуу коэфициентине жараша болот.
  • Материалдын түрүнө жана температурасына жараша болот.
  • Материалды түзүү же конструкциялоо жана касиеттерин эсептөөдө колдонулат.

Сурулуу кучу жана сурулуу коэфициентинин ортосундагы байланыш

  • Сурулуу кучу жана сурулуу коэфициенти эки башка параметр.
  • Сурулуу коэфициенти материалдын деформацияга каршылыгын көрсөтөт, ал эми сурулуу кучу сынып калууга каршылыгын чагылдырат.
  • Эки параметрин да эске алып, инженердик жана технологиялык сунуштарды туура түзүүгө болот.
  • Сурулуу коэфициенти материалдын деформациялануучу күчтөргө жооптоосун болжолдоо үчүн керек. Сурулуу кучу материал деформацияланбай толугу менен сынганга чейин ээ болгон күчтү билдирет.

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