Q7> Ductile-to-brittle transition temperature (DBTT) is a very important parameter in the design of metallic materials for engineering applications. It has been well known that most of BCC and HCP metals show the DBT phenomenon; however, there is no DBTT in FCC metals. (a) Explain the reason in terms of deformation and fracture. You must compare the BCC and FCC.
Q7> Ductile-to-brittle transition temperature (DBTT) is a very important parameter in the design of metallic materials for engineering applications. It has been well known that most of BCC and HCP metals show the DBT phenomenon; however, there is no DBTT in FCC metals. (a) Explain the reason in terms of deformation and fracture. You must compare the BCC and FCC.
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter6: Introduction To Mechanical Properties
Section: Chapter Questions
Problem 7ETSQ
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![Q7> Ductile-to-brittle transition temperature (DBTT) is a very important parameter in the design of metallic
materials for engineering applications. It has been well known that most of BCC and HCP metals show the DBT
phenomenon; however, there is no DBTT in FCC metals.
(a) Explain the reason in terms of deformation and fracture. You must compare the BCC and FCC.
(b) The ductile fracture surface consists of many dimples.
Explain their formation mechanism from the concept of point defects.
(c) There are two types in the brittle fracture. Explain and Compare them.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb75e8f4f-815c-4da0-bbc3-b39c3df3491a%2Fb8cf7e17-0bc5-4e0d-b48c-b76d6bf8c152%2Fe13ihjb_processed.png&w=3840&q=75)
Transcribed Image Text:Q7> Ductile-to-brittle transition temperature (DBTT) is a very important parameter in the design of metallic
materials for engineering applications. It has been well known that most of BCC and HCP metals show the DBT
phenomenon; however, there is no DBTT in FCC metals.
(a) Explain the reason in terms of deformation and fracture. You must compare the BCC and FCC.
(b) The ductile fracture surface consists of many dimples.
Explain their formation mechanism from the concept of point defects.
(c) There are two types in the brittle fracture. Explain and Compare them.
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