×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Help to describe composition of these microestructures

Help to describe composition of these microestructures

Help to describe composition of these microestructures

(OP)
1.)
microestructure of a 1018 steel. water quenched. nital 2% etch during 5 seconds, 100X.


2.)
A)
microestructure of a 1018 steel. oil quenched. using nital 5% etch during 5 seconds, 100X.

B)
microestructure of a 1018 steel. oil quenched. using nital 5% etch during 5 seconds, 10X. (use zoom to watch better)

3.)
microestructure of a 1018 steel. brine quenched. picral 4% etch during 5 seconds, 100X.

RE: Help to describe composition of these microestructures

As a general description, I would say overexposed with too little contrast.

How are you taking these pictures? They look as if they were taken with a phone through the eyepiece of a microscope.

What are you trying to accomplish? How you describe the microstructure depends on what you are trying to illustrate.

RE: Help to describe composition of these microestructures

Look like low carbon lath martensite to me....

RE: Help to describe composition of these microestructures

Of course with 0.18%C

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources