Tuesday, June 30

TECHNICAL SESSIONS

Tungsten2020 TECHNICAL SESSIONS

Tuesday Morning

9:15–10:30 a.m.

SESSION T12

Hardmaterials: Mechanical Properties

Session Chair:
Thomas Jewett
Global Tungsten & Powders Corp.

Small-Scale Mechanical Response of Cemented Carbides
Luis Llanes,
Universitat Politècnica de Catalunya - BarcelonaTech

Microstructural Observations of High-Temperature Creep Processes in Hardmetals
Steven Moseley,
Hilti Corporation

Deformation Mechanisms of Ultra-Coarse Cemented Carbides and the Enhancement for Performance
Xuemei Liu,
Beijing University of Technology

SESSION T13

Nanocrystalline Tungsten

Session Chair:
John L. Johnson, FAPMI
Elmet Technologies LLC

Thermal Stability of Nanocrystalline Tungsten-Based Alloys with Solute Segregation
Fawei Tang,
Beijing University of Technology

Nanocrystalline W-Based Powders Synthesized by Thermal Plasma and Their Sintering Behavior
Peng Hu,
Beijing University of Technology

Solid-State Sintering of Nanocrystalline Tungsten Powders to Full Density
Sindy Yuxin Zeng,
Veloxint Corporation

Tungsten2020 TECHNICAL SESSIONS

Tuesday Morning

10:45 a.m.–Noon

SESSION T14

Tungsten Sintering

Session Chair:
Randall German, FAPMI
German Materials Technology

Enhanced Sintering of Tungsten
John L. Johnson, FAPMI,
Elmet Technologies LLC

Properties of W-Based Ternary Alloys Made by Solid-State Sintering
Patrick Hogan,
Veloxint Corporation

The Effects of Particle Size and Doping Element Additive on the Microstructure of Sintered Tungsten
Marty Simmons,
University of Utah

SESSION T15

Tungsten Copper

Session Chair:
Stephen McCrossan
PLANSEE USA LLC

Hierarchical Nanostructured W-Cu Composite Achieved by Intermediation of Al
Chao Hou,
Beijing University of Technology

Fabrication of Tungsten-Copper Alloys by Induction Hot Pressing and Sintering
Tamás Mikó,
University of Miskolc

Microstructural Characteristics of Tungsten-Based Nanocomposites Produced by High-Energy Ball Milling and Sintering
Zoltan Gacsi,
University of Miskolc

Tungsten2020 TECHNICAL SESSIONS

Tuesday Afternoon

2:15–3:30 p.m.

SESSION T16

Hardmetals: Microstructures

Session Chair:
Li Zhang
Central South University

Achieving Combination of High Hardness and Toughness for WC-8Co Hardmetals by Creating Dual Scale Structured Plate-Like WC
Zhongchen Lu,
South China University of Technology

An Investigation into the Factors Influencing the Microstructural Homogeneity of Sintered Hardmetals
Thomas Jewett,
Global Tungsten and Powders Corp.

Development of a New Cr-Based Hardmetal with Nanosized Tungsten Carbide Grain Size Through Liquid-Phase Sintering and Spark Plasma Sintering
José Torralba, FAPMI,
Universidad Carlos III de Madrid

SESSION T17

Hardmetals: Materials Replacement

Session Chair:
Steven Moseley
Hilti AG

Partial Tungsten Replacement in Cemented Carbides by Use of (W,Mo)C Powders
Walter Lengauer,
Vienna University of Technology

Infiltrated NbC and TiC Composites for Use in Fixed Cutter Drill Bit Bodies
Jonathan Bitler,
Kennametal

Substitution of W and Co in the Fabrication of Mining Tools Using Electric Resistance Sintering
Miguel Lagos,
TECNALIA

Tungsten2020 TECHNICAL SESSIONS

Tuesday Afternoon

3:45–5:00 p.m.

SESSION T18

Dispersion Strengthened Tungsten

Session Chair:
John L. Johnson, FAPMI
Elmet Technologies LLC

High-Thermal Stability and Compression Performance of W-Cu-Cr-ZrC Composite
Cao Lijun,
Beijing University of Technology

Metal Injection Molding of High-Performance High-Purity Tungsten
Jan Opschoor,
Formatec

Development of Yttrium Oxide Dispersion Strengthened Tungsten Alloy With Improved Low-Temperature Ductility for Fusion Application
Jiupeng Song,
China National R&D Center for Tungsten Technology & Xiamen Tungsten Co., Ltd

SESSION T19

Hardmetals: Feedstock

Session Chair:
Zhigang Zak Fang, FAPMI
University of Utah

Influence of the Amount of Recycled Cemented Carbide Powder on the Mechanical Properties of WC-Co Parts Sintered By HIP and SPS
Alexandre Mégret,
University of Mons

Effect of Cobalt on Milling of Zinc Reclaim and Virgin WC-Co Powders
Leo Janka,
Tikomet Oy

The Analysis of Sub-Grain-Size Distribution of Tungsten Carbide Powders Prepared Under Various Carbonization Conditions
Chao Liu,
Xiamen Tungsten Co., Ltd. R&D Center/China National R&D Center for Tungsten Technology