Etching delta ferrite in 316L?

Wayne Gordon @Wayne-Gordon

11 March 2018 1 7K Report

What is the best way to etch delta ferrite in 316L, without confusing the delta ferrite with grey inclusions/stringers?

I am expecting the delta ferrite content to be about 1%. How can this best be revealed?

Oreci Escobar Da Silva

Hello Wayne Gordon !

References:

INFLUENCE OF DELTA FERRITE ON MECHANICAL PROPERTIES OF STAINLESS STEEL PRODUCED BY MIM

http://www.abcm.org.br/anais/cobem/2009/pdf/COB09-1759.pdf

Effect of delta ferrite on Corrosion Resistance of Type 316L Stainless Steel in Acidic Chloride Solution by Micro-droplet Cell

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.428.9021&rep=rep1&type=pdf

Delta Ferrite Formation in Austenitic Stainless Steel Castings

http://www.pmt.usp.br/ACADEMIC/martoran/Publicacoes/Padilha%20Caio%20Martorano%20MSF%202012.pdf

Badges
Science topic

More Wayne Gordon's questions See All

Why is there no Ligase in Ligation Independent Cloning?

Ligation Independent Cloning literally says no need Ligation, but it still needs ligase to anneal the fragment to vector. And the Protocol used T4 DNA Ligase for anneal process. What does this...

18 April 2024 1,494 3 View

Which inorganic or metallic compounds will give a yellow color result when tested with the Marquis reagent?

If an unknown powder or solid sample has given a yellow color result, what INORGNIC or METALLIC COMPOUNDS ARE INDICATED. I am not interested in any controlled organic substances , only inorganic...

07 April 2024 9,012 2 View

Chicken or Egg: Is POTS increasing post concussion symptoms? Or is concussion initiating POTS?

Looking into the relationship between Postural Orthostatic Tachycardia Syndrome (and dysautonomia in general) in athletes who experience concussion. It seems like concussion is sometimes...

03 November 2023 3,658 0 View

Is hangover a unitary phenomenon?

There are several Hangover Scales, none of which is comprehensive. Factor analyses show several factors or clusters of symptoms, which does not clarify the situation since these factors...

06 October 2023 6,630 0 View

Are there concerns to performing TEM after RNAScope?

Looking to perform TEM on tissues that have already been processed via RNAScope. Are there concerns with viral and/or cellular degradation from RNAScope reagents that may prevent TEM from...

17 July 2023 4,114 1 View

How can LEFM address the cracking phenomenon described below?

1. Circular cylinder pressure vessels under external hydrostatic pressure are in a state of generalized plane strain (i.e., axial strain is constant). A consequence of this state is that...

26 May 2023 5,779 0 View

Inquiry over standard deviation/relative standard deviation, and comparison across groups?

What is the most reliable procedure for examining variance for the following dataset, where different variables are being examined across four groups from the same survey (sample) n = 1850: e.g....

05 May 2023 9,755 2 View

What articles on heuristics are available?

I am interested in any articles that have heuristics in the title.

25 April 2023 2,473 2 View

How can a Spotlighted item be public?

For the first time, I have made a Spotlight for a new book of mine. Only later did I see in my profile that the Spotlight was shown to be private. How can I change that to public?

11 April 2023 503 4 View

Does anyone else think this is beyond belief?

"Death Penalty Focus To:tony gordon Thu, 30 Mar at 17:30 Sign the Petition Dear DPF Supporters, We need your help! Gov. Ron DeSantis has signed a warrant and scheduled Louis Gaskin to be executed...

29 March 2023 6,267 5 View

How to saturate steel samples with hydrogen?

I have tried to saturate ferritic steel with hydrogen using the electrolytic method and H2SO4. However, the effect was very poor even after 3 days of "saturation". Can anybody help in choosing a...

24 July 2024 4,393 2 View

Is there an explanation of why a negative photoresist take-off after contact with ferric chloride (like in the pictures) ?

Deep etching Negative photoresist Acrylate polymer Chemical etching Ferric chloride Crosslinking Resolution

11 July 2024 2,476 4 View

NH3/NF3/H2 Remote plasma Oxi/nit selective etching mechanism help ??

Hello, I am an Etch Engineer. I am performing etching with high T_ox/Nit selectivity using remote plasma. Etching plasma is formed using only NH3/NF3/H2. 1. I wonder if it would be advantageous...

11 July 2024 8,115 2 View

Which light source should be used for photocatalytic water splitting?

I'm working on photocatalytic water splitting and the material is ferrite. The absorption edge of the material is at 700 nm. So which lamp should I use? halogen lamp or Xenon light source?

24 June 2024 6,832 5 View

Can EBSD distinguish BCT martensite from BCC ferrite? Both have different symmetries, space groups but same lattice positions??

Electron back scattered diffraction is a versatile tool for micro-structure and micro-texture analysis of a variety of materials e.g., metals/alloys, rocks, meteorites etc., EBSD completely works...

18 June 2024 1,477 5 View

How to carry out micro preparation of Zn-2 (Zamak 2) sample surfaces?

I am currently struggling to achieve a good surface finish on mounted Zn-2 samples. Both grinding and polishing (with SiC, silica and diamond) resulted in embedding of the grinding/polishing media...

11 June 2024 2,055 0 View

As an etch process engineer, which books would be helpful for work?

Hello, I am an engineer who deals with etching processes. I'm trying to study the etching process and would like to ask which book would be good to study. I graduated from the Electronics...

05 June 2024 4,977 2 View

How to determine the concentration of MXene colloidal solution?

Dear researchers, I have recently synthesised MXene by etching MAX phase source using in-situ fluoride based etchant and collected the supernatant solution obtained after the washing process. My...

22 May 2024 5,269 2 View

I want to know Bond strength and Etch mechanism?

I am asking this question because I want to make sure my understanding is correct. I'm learning about the etching process, but I'm having difficulty with bond strength and etching mechanism. I'm...

21 May 2024 2,409 1 View

How do an UV light will react with the 2-Methyl-4'-(methylthio)-2-morpholinopropriophenone ?

I actually worked on chemical etching on stainless steel and as I make photolithography, I have to use a new photoresist which contain the Photosensitizer named in the question. That's why I...

13 May 2024 2,611 0 View