# What is the Young modulus of a copper wire?

## What is the Young modulus of a copper wire?

130 Gpa

Property Value
Young’s modulus 130 Gpa
Poisson ratio 0.34
Stiffness Constants C11 = 168.3 Gpa, C12 = 1.221 Gpa, C44 = 0.757 Gpa
Tensile or fracture strength 193 Mpa  – 262 Mpa 

## Why does copper have a high Young’s modulus?

From this it can be quickly seen that copper has the higher elastic modulus. And since modulus is stress divided by strain, that is, the slope of the linear portion of the tensile curve, copper will exhibit the higher gradient (slope).

What is the Young’s modulus of brass?

Young’s modulus of brass and steel are 10×1010N/m. and 2×1011N/m. , respectively. A breasts wire and a steel wire of the same length are estimated by 1mm.

### What is the shear modulus of copper?

45
Modulus of Rigidity of some Common Materials

Material Shear Modulus – G – (GPa) (106 psi)
Chromium 115
Concrete 21
Copper 45
Glass 26.2

### What is the tensile strength of copper wire?

High Strength Wire

Metal Copper
Tensile (Soft) ksi 34
Tensile (Hard) ksi 55
Elongation (a) % 6 to 36
Solderability Excellent

What is the strength of copper?

Table 1.1A.

Specific Gravity 8.89 – 8.94
Modulus of Elasticity (Tension) 17,000,000 psi
Tensile Strength 32,000 psi min.
Yield Strength (0.5% Extension) 20,000 psi min.
Elongation in 2″ – approx. 30%

#### Which metal has the highest Young’s modulus?

4.6. The highest known Young’s modulus value is that of diamond, which is both the hardest material known and has the highest elastic modulus known of ~ 1210 GPa .

#### What is copper yield strength?

The yield strength of cold-rolled high yield (H01) copper is significantly higher than standard cold rolled (H00) copper, up to 33,000 p.s.i. This allows the use of 12 ounce high yield copper in many applications where 16 ounce cold rolled copper is normally used.

Which material has the highest Young’s modulus?

The highest known Young’s modulus value is that of diamond, which is both the hardest material known and has the highest elastic modulus known of ~ 1210 GPa .

## Is brass stronger than aluminum?

In general you might consider hardness falls off in this order: brass, aluminum, copper. Brass is the hardest and aluminum is the softest unless a Metal Expert can determine otherwise.

## What is the Young’s modulus of copper wire?

Young’s modulus is the ratio of longitudinal stress by longitudinal strain. Stress is the force per unit length and longitudinal strain is the change in length to the original length. So, What is Young’s modulus of copper wire?. The Young’s modulus of copper wire is 117 GPa or 117 x 10 9 N/m 2.

What is the tensile modulus of copper psi?

The tensile modulus of copper is 17 x 10^6 psi or 117 GPa (1.17e+11 Nm^2) The Ultimate Tensile Strength: σ sub u, or the Ultimate Tensile Strength – UTS – of a material, is the limit stress at which copper actually breaks, with a sudden release of the stored elastic energy is 220 MPa (2.2e+11 Nm^2).

### Why is the modulus of elasticity of copper important?

Modulus of Elasticity. Thus, strength is an important factor in the selection process that determines the copper alloy to be used for a connector spring. As described in the topic “Contact Force,” the importance of strength is its relevance to contact force. Young’s modulus of elasticity is a measure of the stiffness of a spring member.

### How is Young’s modulus of a material measured?

This is a straight-forward way to measure the Young’s Modulus of a material. Copper wire is often used as it is stretched by weights hung over the edge of the bench, with the small extension carefully measured with a ruler. Wear eye protection in-case the wire snaps.