ZuoTi.Pro
Question


Chapter 9 1. What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curva

engineering   Mechanical-Engineering   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

✔ Recommended Answer
Answer #1

Chapte- APP Wea tengole Stress- 叮 MAxonoun stress at tip 2:SXI 2-5 시 1 20o - 24Chaptos to As we Kmpuo these asve three vasvab lea that a detone the micsoStmat of aloy, those ) Altoyin elees ii) Heat treattid to SCIENT

1 0
Add a comment
Know the answer?
Add Answer to:
Chapter 9 1. What is the magnitude of the maximum stress that exists at the tip of an internal cr...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Similar Homework Help Questions

  • What is the magnitude of the maximum stress that exists at the tip of an internal...

    What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 4 × 10-4 mm (1.575 × 10-5 in.) and a crack length of 3 × 10-2 mm (1.181 × 10-3 in.) when a tensile stress of 160 MPa (23210 psi) is applied?

  • A large plate is fabricated from a steel alloy that has a plane strain fracture toughness...

    A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 75 MPam (68.25 ksi vin.). If the plate is exposed to a tensile stress of 347 MPa (50330 psi) during use, determine the minimum length of a surface crack that will lead to fracture. Assume a value of 0.94 for Y. mm

  • 1. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 8...

    1. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 82.4 MPavm. If the plate is exposed to a tensile stress of 345 MPa during service use, determine the minimum length of a surface crack that will lead to fracture. Assume a value of 1.0 for Y. Maximum stress at tip of elliptically shaped crack Pt 2Ery, 1/2 critical stress required for crack propagation in a brittle material πα KIe YoeVra Fracture...

  • Question 10 (7 marks) Suppose that a BMW car component fabricated from 4340 steel alloy having...

    Question 10 (7 marks) Suppose that a BMW car component fabricated from 4340 steel alloy having a plane strain fracture toughness of 50 MPavm is exposed to a stress of 950 MPa. NDT results show there are two cracks. One is a surface crack of 0.60 mm long, and the other is an internal crack of 2 mm long. Will this component experience fracture? Why or why not? Assume that the parameter Y has a value of 1.0. Kjc: Plane...

  • 3. A structural component is fabricated from an alloy that has a plane-strain fracture toughness of...

    3. A structural component is fabricated from an alloy that has a plane-strain fracture toughness of 69 MPa, m (69 MPa square root of "m"). It has been determined that this component fails at a stress of 250 MPa when the maximum length of a surface crack is 1.6 mm. What is the maximum allowable surface crack length (in mm) without fracture for this same component exposed to a stress of 250 MPa and made from another alloy that has...

  • 1. AA 6061, a high-strength aluminum alloy, has a 0.2% offset yield strength of 37,500-psi and...

    1. AA 6061, a high-strength aluminum alloy, has a 0.2% offset yield strength of 37,500-psi and a plane strain fracture toughness (Kic) 26,400-psi (inch) At a service stress equivalent to 80% of the yield strength, will this structure fracture if it contains an edge crack of length 2.24-inches. Assume that the geometric factor, f, is 1.12. 2. A steel alloy, which has a plane strain fracture toughness (Kle) of 49-MPa(m) is exposed to a service stress of 1010-MPa. Is fracture...

  • A specimen of a 4340 steel alloy with a plane strain fracture toughness of 54.8 MPaym...

    A specimen of a 4340 steel alloy with a plane strain fracture toughness of 54.8 MPaym (50 ksi n) is exposed to a stress of 1225 MPa (177700 psi). Assume that the parameter Y has a value of 1.04 (a) If the largest surface crack is 0.7 mm (0.02756 in.) long, determine the critical stress C- MPa (b) Will this specimen experience fracture?

  • 2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture...

    2. An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 35 MPa m. It has been determined that fracture results at a stress of 250 MPa when the maximum (or critical) internal crack length is 2.0 mm. For this same component and alloy, will fracture occur at a stress level of 325 MPa when the maximum internal crack length is 1.0 mm? (10 points)

  • Chapter 08, Problem 8.11 A structural component in the form of a wide plate is to...

    Chapter 08, Problem 8.11 A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a plane strain fracture toughness of 99 MPay m (ksi Vin.) and a yield strength of 770 MPa (55840 psi). The flaw size resolution limit of the flaw detection apparatus is 4 mm (0.1575 in.). (e) If the design stress is one-half of the yield strength and the value of Y is 1.06, what is the...

  • A large flat plate is subjected to constant-amplitude uniaxial cyclic tensile stresses of a maximum stress...

    A large flat plate is subjected to constant-amplitude uniaxial cyclic tensile stresses of a maximum stress of 147 and a minimum stress of 32 MPa. If before testing the largest surface crack is 0.98 mm and the plain-strain fracture toughness of the plate is 33.4 MPa m1/2, estimate the fatigue life of the plate in cycles to failure. For the plate, m = 3.7 and A = 5.0 x 10-12 in MPa and meter units. Assume Y = 1.14

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT