Exxonmobil Research and Engineering Company

Posco

Exxonmobil Technology and Engineering Company

Exxonmobil Chemical Patents Inc.

Posco Co., Ltd

Crs Holdings, Inc.

Ning Ma

Hyunwoo Jin

Douglas Paul Fairchild

Andrew J Wasson

Sangchul Lee

Bongkeun Lee

Jongsub Lee

IlWook Han

Adnan Ozekcin

Changmin Chun

Timothy D Anderson

Xin Yue

IIWook Han

Larry Lee Iaccino

Mohsen Shahmirzadi Yeganeh

P Scott Northrop

Pavel Kortunov

Matthew Scott Ide

Hyun-Woo Jin

John Slocum Coleman

Anastasios I Skoulidas

Everett J O'Neal

Joseph E Gatt

Gregory J Del Corso

Raghavan Ayer

Hak-Cheol Lee

Shiun Ling

William R Gunther

Partha Nandi

Zarath M Summers

Giovanni Pilloni

In-Shik Suh

Michael L Schmidt

Jong-Kyo Choi

Qiuzi Li

Wesley Sattler

Russell R Mueller

Robert J Colby

Xiaozhou Zhang

Vera Grankina

Jorge J Perdomo

Keith R Hajkowski

Patrick C Ray

Russell Robert Mueller

Iiwook Han

Hongwei Liu

Welding compositions for high manganese steel base metals, the composition comprising: carbon in a range of about 0.4 wt % to about 0.8 wt %; manganese in a range of about 18 wt % to about 24 wt %; chromium in an amount of about 6 wt %; molybdenum in an amount of about <4 wt %; nickel in an amount of about <5 wt %; silicon in an amount of about 0.4 wt % to about 1.0 wt %; sulfur in an amount of about <200 ppm; phosphorus in an amount of about <200 ppm; and the balance comprising iron.

Field girth welding technology for high manganese steel slurry pipelines

Methods of welding high manganese steel, the methods comprising: supplying at least one piece of high manganese steel; supplying the metal cored wire comprising a steel sheath with a core comprising powders of certain metal and carbon percentages and at least one of: i: sulfur in an amount less than 0.3 wt. %; or ii. phosphorous in an amount less than 0.03 wt. %; or a combination thereof; and the balance with iron; submerging the at least one piece of high manganese steel in a slag and arc stabilizer; and applying a current to the metal cored wire to produce a liquid alloy steel composition on the at least one piece of high manganese steel.

Methods of welding high manganese steel with step-out weld zone erosion-corrosion resistance

Methods and compositions are provided for improving metal dusting corrosion, abrasion resistance and/or erosion resistance for various materials, preferably for applications relating to high-temperature reactors, including dense fluidized bed reactor components. In particular, cermets comprising (a) at least one ceramic phase selected from the group consisting of metal carbides, metal nitrides, metal borides, metal oxides, metal carbonitrides, and mixtures of thereof and (b) at least one metal alloy binder phase are provided. Ceramic phase materials include chromium carbide (CrC). Metal alloy binder phase materials include β-NiAl intermetallic alloys and NiSnintermetallic alloys, as well as alloys that contain α-Cr and/or γ'-NiAl hard phases. Preferably, bimetallic materials are provided when the cermet compositions are applied using a laser, e.g., a laser cladding method such as high power direct diode (HPDD) laser, or by plasma-based methods such as plasma transfer arc (PTA) welding and powder plasma welding (PPW).

Bimetallic materials comprising cermets with improved metal dusting corrosion and abrasion/erosion resistance

A metal cored wire for submerged arc welding, the wire comprising a steel sheath with a core comprising powders of: carbon in a range of about 0.3 wt. % to about 1.2 wt. %; silicon in a range of about 0.1 wt. % to about 3.0 wt. %; manganese in a range of about 9.0 wt. % to about 30 wt. %; chromium in an amount less than about 8 wt. %; nickel in an amount less than about 6 wt. %; molybdenum in an amount less than about 6 wt. %; tungsten in an amount less than about 5 wt. %; copper in an amount less than about 4 wt. %; niobium in an amount less than about 2 wt. %; vanadium in an amount less than about 2 wt. %; titanium in an amount less than about 2 wt. %; nitrogen in an amount less than about 0.4 wt. %; boron in an amount less than about 1 wt. %; at least one of: (i) sulfur in an amount less than about 0.3 wt. %; (ii) phosphorous in an amount less than about 0.03 wt. %; or a combination thereof; and the balance with iron.

High manganese steel pipe with step-out weld zone erosion-corrosion resistance and method of making the same

Systems and methods are provided for using size-reversing materials in vessels where direct heating is used to at least partially provide heat for reforming reactions under cyclic reforming conditions. An example of a size-reversing material is the combination of NiO and AlO. It has been discovered that size-reversing materials can undergo a phase transition that can assist with re-dispersion of metal at elevated temperatures. This can assist with maintaining catalytic activity for reforming over longer time periods in the presence of cyclic reforming conditions.

Size-reversing materials for reforming in cyclic flow reactors

Methods disclosed herein include using additive manufacturing to create a joint between a first metallic material and a second metallic material that is different from the first metallic material, wherein the porosity of the joint is less than about 0.1 percent by volume measured according to ASTM B-962. The additive manufacturing can be performed such that no intermetallic brittle phase forms between the first metallic material and the second metallic material.

Multi-metallic articles of manufacture

The present disclosure relates to a porous liquid or a porous liquid enzyme that includes a high surface area solid and a liquid film substantially covering the high surface area solid. The porous liquid or porous liquid enzyme may be contacted with a fluid that is immiscible with the liquid film such that a liquid-fluid interface is formed. The liquid film may facilitate mass transfer of a substance or substrate across the liquid-fluid interface. The present disclosure also provides methods of performing liquid-based extractions and enzymatic reactions utilizing the porous liquid or porous liquid enzyme of the present disclosure.

Porous liquid and methods of making and using the same

Improved steel compositions and methods of making the same are provided. The present disclosure provides advantageous wear resistant steel. More particularly, the present disclosure provides high manganese (Mn) steel having enhanced wear resistance, and methods for fabricating high manganese steel compositions having enhanced wear resistance. The advantageous steel compositions/components of the present disclosure improve one or more of the following properties: wear resistance, ductility, crack resistance, erosion resistance, fatigue life, surface hardness, stress corrosion resistance, fatigue resistance, and/or environmental cracking resistance. In general, the present disclosure provides high manganese steels tailored to resist wear and/or erosion.

Enhanced wear resistant steel and methods of making the same

Provided is an oil, gas and/or petrochemical ferrous or non-ferrous material component including two or more segments of ferrous or non-ferrous components for joining, wherein the two or more segments are of the same or different materials, and laser metal deposition weldments bonding adjacent segments of said components together. Also provided are methods of making laser metal deposition weldments and their uses in the oil, gas and petrochemical industry.

Laser metal deposition welding process, parts formed therefrom and uses in oil, gas and petrochemical applications

The present disclosure relates to a welding composition for joining high manganese steel base metals and methods of applying the same. The composition includes: carbon in a range of about 0.4 wt % to about 0.8 wt %; manganese in a range of about 18 wt % to about 24 wt %; chromium in an amount of &#x2264; about 6 wt %; molybdenum in an amount of &#x2264; about 4 wt %; nickel in an amount of &#x2264; about 5 wt %; silicon in an amount of about 0.4 wt % to about 1.0 wt %; sulfur in an amount of &#x2264; about 200 ppm; phosphorus in an amount of &#x2264; about 200 ppm; and a balance including iron. In an embodiment, the composition has an austenitic phase.

Improved steel welds, article for making the same, and methods of making the same are provided. The present disclosure provides advantageous erosion, corrosion and/or cracking resistant weld metal. More particularly, the present disclosure provides high manganese (Mn) weld metal compositions having enhanced erosion, corrosion and/or cracking resistance, articles for the production of the high manganese weld metal compositions having enhanced erosion, corrosion, and/or cracking resistance, and methods for fabricating high manganese weld metal compositions having enhanced erosion, corrosion and/or cracking resistance.

A corrosion resistant, neutron absorbing, austenitic alloy powder is disclosed having the following composition in weight percent.  The alloy contains at least about 0.25% B, at least about 0.05% Gd, and the balance of the alloy composition is iron and usual impurities. Bis defined as % B+4.35&#xd7;(% Gd). An article of manufacture made from consolidated alloy powder is also disclosed which is characterized by a plurality of boride and gadolinide particles dispersed within a matrix. The boride and gadolinide particles are predominantly MB, MB, MX, and MX in form, where X is gadolinium or a combination of gadolinium and boron and M is one or more of the elements silicon, chromium, nickel, molybdenum, iron.

Processable high thermal neutron absorbing Fe-base alloy powder

Growing community of inventors

Whitehouse Station, NJ, United States of America

Ning Ma