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To prevent hydrogen embrittlement, use lower strength steels and _________ to temper the microstructure, improve ductility and reduce residual stresses.
Suggested Answer: A
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38 comments · newest first
LO
Lorean
11 months ago
Not sure if preheating is enough on its own.
YA
Yasuko
11 months ago
Wait, can alloys really help with that?
TI
Tiara
11 months ago
All of the above sounds right to me!
HE
Helga
12 months ago
I think lower strength steels are key here.
LI
Lindsey
12 months ago
PWHT is definitely the way to go!
AD
Adell
12 months ago
I’m a bit confused about this one. I thought all of the methods could help, but I’m not sure if they all apply to hydrogen embrittlement specifically.
DA
Dacia
12 months ago
I feel like all of the options could be relevant, but I lean towards PWHT being the most specific for tempering the microstructure.
CR
Cristina
12 months ago
I remember practicing a question similar to this, and I think preheating was mentioned as a method to help with ductility.
SA
Sabine
1 year ago
I think the answer might be PWHT, but I'm not completely sure. We talked about it in class, but I can't remember the details.
BR
Brittney
1 year ago
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KE
Keneth
1 year ago
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MA
Margart
1 year ago
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CO
Cory
1 year ago
This looks like a straightforward permissions question. I think the key is to use the PrincipalOrgId condition to grant access to all users within the organization.
CH
Christiane
1 year ago
Is the answer 'all of the above'? I mean, why settle for just one when you can have the whole hydrogen embrittlement prevention package deal?
KA
Katie
1 year ago
Tempering the microstructure and reducing residual stresses are key in improving ductility and preventing hydrogen embrittlement.
DE
Delbert
1 year ago
Using lower strength steels and preheating can also help in preventing hydrogen embrittlement.
ER
Erasmo
1 year ago
Yes, the answer is 'all of the above'. It's important to take multiple measures to prevent hydrogen embrittlement.
AL
Alishia
1 year ago
Ah, the age-old question of preventing hydrogen embrittlement. I'll go with C - PWHT, because who doesn't love a good heat treatment?
WE
Werner
1 year ago
User 4: So, the best option is probably D - All of the above.
KI
Kimi
1 year ago
User 3: Preheating is crucial to reduce residual stresses.
NI
Nichelle
1 year ago
User 2: Alloys can also help with tempering the microstructure.
TA
Tammara
1 year ago
User 1: I agree, PWHT is definitely important for preventing hydrogen embrittlement.
BE
Bea
1 year ago
Using all of the above methods is probably the best approach to ensure safety.
VE
Velda
1 year ago
Preheating is another good option to consider for preventing hydrogen embrittlement.
SI
Silva
1 year ago
Alloys can also play a role in reducing the risk of embrittlement.
FR
Frank
1 year ago
I agree, PWHT is definitely important for preventing hydrogen embrittlement.
TA
Tanesha
1 year ago
Hmm, I think the answer is D. Gotta use those lower strength steels and throw in some alloying for good measure. Can't forget the tempering either!
BR
Breana
1 year ago
Yes, preheating and post-weld heat treatment are also important steps to improve ductility and reduce residual stresses.
VO
Vonda
1 year ago
I agree, using lower strength steels and alloys is crucial to prevent hydrogen embrittlement.
KI
Kimberlie
1 year ago
Oooh, I know this one! It's C - PWHT. Gotta love that post-weld heat treatment to get that ductility back.
ER
Ernie
1 year ago
Yes, using lower strength steels and PWHT together can help temper the microstructure and prevent hydrogen embrittlement.
GE
Gearldine
1 year ago
So, do you also use lower strength steels in addition to PWHT?
SH
Sherrell
1 year ago
Yeah, it helps improve ductility and reduce residual stresses in the steel.
GE
German
1 year ago
I think you're right, PWHT is definitely important for preventing hydrogen embrittlement.
FL
Fletcher
1 year ago
I would go with D) All of the above just to be safe and cover all bases.
EL
Elena
2 years ago
Haha, I always forget which one is PWHT. Is that the one where they put the steel in the microwave to temper it?
TI
Timothy
2 years ago
I agree with Janine, PWHT is important for preventing hydrogen embrittlement.
JA
Janine
2 years ago
I think the answer is C) PWHT because it helps reduce residual stresses.