2019 Pittsburgh AISTech

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Sessions (15)

Investigating Centerline Bridging in Continuous Casting During Speed Drops With ConOffline (Room 411)

06 May 19
9:30 AM - 10:00 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Brian Thomas ; Joseph Bentsman ; William Drennan ; Zhelin Chen
Centerline bridging occurs near final solidification at the metallurgical length of a caster, when the two solidification fronts touch, entrapping ... More...

Analysis of Phosphorus Band in Interstitial-Free High-Strength Steel (Room 411)

06 May 19
10:00 AM - 10:30 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Akshay Khullar ; Avinash Kumar ; Ranjay Singh ; Ravinder Pathania ; Shainu Suresh ; Subhajit Maity ; Sudipto Sarkar ; Vinay Mahashabde
Interstitial-free, high-strength steel used for door applications was reported to have band marks after press forming along the rolling direction. ... More...

An Automated Quantitative Assessment of Slab Centerline Segregation Using Image Analysis (Room 411)

06 May 19
10:30 AM - 11:00 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Amar De ; Denis Hennessy ; John Somasundaram ; Siddhartha Biswas
Big River Steel is engaged in the production of hot-rolled skelp for oil and gas pipelines requiring sound and clean internal microstructure. Based... More...

IQRS Round-Robin Results (Room 411)

06 May 19
11:00 AM - 11:30 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Sunday Abraham
IQRS Centerline Round Robin Results More...

Panel Discussion: IQRS Centerline (Room 411)

06 May 19
11:30 AM - 12:00 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Jason Nicholson ; Joydeep Sengupta ; Sunday Abraham
Panel Discussion More...

Changes to the Characteristics of Inclusions Upon Solidification in AHSS Steels (Room 411)

06 May 19
2:00 PM - 2:30 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Bryan Webler ; Chengsong Liu
Changes to inclusions upon solidification must be understood to fully describe inclusion evolution during steel processing. This study examined inc... More...

Influence of Al Content on the Characteristics of Inclusions in Medium-Mn Steel (Room 411)

06 May 19
2:30 PM - 3:00 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Michelia Alba ; Muhammad Nabeel ; Neslihan Dogan
Owing to the recent developments in advanced high-strength steels (AHSS), the characteristics of inclusions in these steels have gained much attent... More...

Development of a Powder Metallurgy Technique for Introducing Synthetic Oxide Inclusions Into Liquid Steel (Room 411)

06 May 19
3:00 PM - 3:30 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Andrew Smith ; Fuzhong Ji ; Gert Abbel ; Steve Verdier ; Tu Tran ; Wouter Tiekink
Powder metallurgy has been used to distribute synthetic cerium oxide particles from 1-14 µm within a small-scale steel ingot. Induction furnace mel... More...

Growth Mechanism of Clog Materials in SEN During Continuous Casting of Ti-Added ULC Steel (Room 411)

06 May 19
4:00 PM - 4:30 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Joo-Hyeok Lee ; Myeong-Hun Kang ; Sung-Kwang Kim ; Youn-Bae Kang
Clog materials found in the inner wall of submerged-entry nozzle (SEN) collecting after continuous casting of Ti-ULC steel are typically composed o... More...

Inclusion Classification by Computer Vision and Machine Learning (Room 411)

06 May 19
4:30 PM - 5:00 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Bryan Webler ; Elizabeth Holm ; Gary Casuccio ; Michael Potter ; Mohammad Abdulsalam ; Nan Gao
This work applied computer vision and machine learning methods to characterize non-metallic inclusions in steel by only backscattered electron scan... More...

Pre-Fused vs. Blended Fluxes: Their Impact on Cleanliness of Low-Carbon Low-Alloy Steel (Room 411)

07 May 19
10:00 AM - 10:30 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Annelies Malfliet ; Bart Blanpain ; Bo Zhang ; Bruno Touzo ; Muxing Guo ; Rodrigo Lencina ; Yuxin Chen
CaO-Al2O3-based fluxes show different capacities of absorbing inclusions with respect to their different production methods: pre-fused or blended. ... More...

Lime Dissolution in the BOF Process (Room 411)

07 May 19
10:30 AM - 11:00 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Heitor Cristo Clem de Oliveira ; Henrique Silva Furtado ; José Roberto de Oliveira ; Ludimila Vieira
The aim of this study is to evaluate the lime dissolution capacity of slags with different compositions. We used different particle sizes and calci... More...

Use of Synthetic Slags to Control the Level of Inclusions in Steels (Room 411)

07 May 19
11:00 AM - 11:30 AM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Estefano Vieira ; Felipe Grillo ; Heitor Cristo Clem de Oliveira ; Henrique Silva Furtado ; José Roberto de Oliveira
In this work, a methodology is proposed to measure the inclusion removal efficiency from steels using synthetic slags. The slags studied in the lab... More...

Utilizing Handheld X-Ray Fluorescence for In-Process Steel Slag Monitoring (Room 411)

07 May 19
11:30 AM - 12:00 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Alex Thurston
Slag analysis can lead to efficiency gains with proper implementation. Analyzing slag can improve alloy cleanliness, extend refractory lining life,... More...

Modeling of Multiphase Flow and Argon Bubble Entrapment in Continuous Slab Casting of Steel (Room 411)

07 May 19
4:30 PM - 5:00 PM

Tracks: Metallurgy - Steelmaking & Casting

Speaker(s): Brian Thomas ; Hamed Olia ; Lipsa Das ; Mingyi Liang ; Seong-Mook Cho
In continuous casting, argon gas is injected to prevent nozzle clogging, which can affect the flow pattern and may be captured into the steel shell... More...