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Soloha48 [4]
3 years ago
7

An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 40 MPa . It has been de

termined that fracture results at a stress of 300 MPa when the maximum (or critical) internal crack length is 4.0 mm (0.16 in.). For this same component and alloy, will fracture occur at a stress level of 260 MPa when the maximum internal crack length is 6.0 mm (0.24 in.)? Why or why not?
Engineering
1 answer:
goblinko [34]3 years ago
7 0

Answer:

a fracture will occur, because the Kc value is greater than the KIC (48.9901 MPa > 40 MPa)

Explanation:

the solution is in the attached Word file

Download docx
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Scorpion4ik [409]

Answer:

  150 W

Explanation:

Power is energy per unit time. The power generated by the engine is ...

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3 0
3 years ago
In a CS amplifier, the resistance of the signal source Rsig = 100 kQ, amplifier input resistance (which is due to the biasing ne
lisov135 [29]

Answer:

406.140 KHz

Explanation:

Given data:

Rsig = 100 kΩ

Rin = 100kΩ

Cgs = 1 pF,

Cgd = 0.2 pF,  and   etc.

Determine the expected 3-dB cutoff frequency

first find the CM miller capacitance

CM = ( 1 + gm*ro || RL )( Cgd )

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     = ( 11.311 ) pF

now we apply open time constant method to determine the cutoff frequency

Th = 1 / Fh

hence : Fh = 1 / Th = \frac{1}{(Rsig +Rin) (Cm + Cgs )}

                               = \frac{1}{( 200*10^3 ) ( 12.311 * 10^{-12} )} =  406.140 KHz

8 0
3 years ago
Based on bonding theory, explain why coefficient of expansion increases when you consider ceramics, metals and polymers
Mrrafil [7]

Answer:

The ratio that a material expands in accordance with changes in temperature is called the coefficient of thermal expansion. Because Fine Ceramics possess low coefficients of thermal expansion, their distortion values, with respect to changes in temperature, are low. The coefficients of thermal expansion depend on the bond strength between the atoms that make up the materials.

Explanation:

:>

3 0
4 years ago
find magnitude of the resultant force, if 30N,40N,50N and 60N forces are acting along the line joining the centr of a square to
viktelen [127]

Answer:

56 feet

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Which of the following types of protective equipment protects workers who are passing by from stray sparks or metal while anothe
lawyer [7]

A protective equipment which protects workers who are passing by from stray sparks or metal while another worker is welding is: E. Welding Screens.

A wielder refers to an individual who is saddled with responsibility of joining two or more metals together by wielding.

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Hence, the following protective equipment are meant to be worn or used directly by a wielder (worker) who is wielding:

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However, a protective equipment which protects other workers who are passing by from stray sparks or metallic objects while wielder (worker) is welding is referred to as welding screens.

Find more information: brainly.com/question/15442363

4 0
3 years ago
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