Summary of Phase Diagram Activities in the UK

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Summary of Phase Diagram Activities in the UK
Summary of Phase Diagram Activities in the UK

                              Materials Chemistry Committee
                        Institute of Materials, Minerals and Mining

                      Summary Report to APDIC, May 2021
When the Materials Chemistry Committee of the Institute of Materials, Minerals and Mining
was formed (as the Phase Diagram Committee of the Institute of Metals) its main task was
to coordinate critical assessment and experimental work on phase diagrams within the
UK and disseminate this information to industry. As part of this dissemination, the
committee authored a number of phase diagram reviews that were published by the
Institute. Its remit now, as the MCC, is to represent the members of the IOM3 who have
an interest in Materials Chemistry and is therefore more diverse in its activities.

The membership of the committee is a balance between providers and users of phase
diagram and thermodynamic information and benefits from a strong industrial input.
The committee provides a forum to identify industrial needs, a discussion group
between specialists and a focus within the IOM3 for active national and international
collaboration on the provision of assessed data, on modelling, and on theoretical and
computational aspects of phase equilibria in materials. The current Chairman of this
committee is Dr. Andy Watson, now associated with Hampton Thermodynamics Ltd.

The committee is interested in all aspects of the phase equilibria, including metastable
equilibria and kinetics, in all classes of engineering materials and covering both
fundamental and applied topics. It recognises the vital role that reliable information
on both phase diagrams themselves and on the rates of approach to equilibrium play
in under-pinning many spheres of materials science and technology. The Materials
Chemistry committee is concerned not only with metals and alloys but also ceramics,
slags, salts, semiconductors, superconductors, glass, nuclear materials and polymers.
The committee encourages all aspects of experimental and theoretical work relating to
phase equilibria in materials systems ranging from direct studies of phase diagrams
and the determination of thermodynamic mixing parameters, to the thermodynamic
modelling of phases and ab initio calculations of phase stability and microstructure.

Although an interest in phase diagrams and thermodynamics lies at the core of what
we do, our emphasis is now on promotion of the field within the UK Materials Science
Community itself. This has led to a number of initiatives by the MCC that have been
actively pursued in recent years. The MCC feels that it has been reasonably successful,
particularly through the popular Hume-Rothery Seminars and the Annual
Thermodynamics of Materials Symposia. However, the IOM3 is undergoing a substantial
review and restructuring of its technical communities and it is unclear whether the
MCC will be able to continue in its present guise, nevertheless the members of the
committee will endeavour to remain active within APDIC if at all possible.

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Meetings

AToMS2020

The third in the series of Annual Thermodynamics of Materials Symposia (AToMS) was
due to be held at Downing College in the University of Cambridge on the 23rd of July
2020. Of course, because of restrictions regarding travel at the time, the meeting was
cancelled. However, AToMS2021 will go ahead online in July this year.

Interactions with Other APDIC members

APDIC MSI

Andy Watson continues to work with MSI on
their evaluation programme, culminating with
publication of volume 20 of Ternary Alloys. Andy
was joint editor with Aleš Kroupa (CAS, Brno,
Czech. Rep., APDIC-Associated Committee).

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Andy was also heavily involved with the 5th MSIT Winter School on Materials Chemistry
along with Hari Kumar from Indian Institute of Technology, Madras, (APDIC India).

APDIC Russia (NCRTAC) & APDIC Sweden

Alan Dinsdale continues to work with colleagues at MISiS (NCRTAC), and in addition
with friends from KTH (APDIC Sweden) on the 3rd generation of unary data for the
elements.

Awards and Prizes

Like many learned societies and Institutions, the IOM3 gives a number of awards and
prizes each year. The two awards most closely associated with the MCC are the Hume-
Rothery Prize, which is awarded ‘in recognition of distinguished achievements
concerned with phase relationships in metallic materials or non-metallic materials of
metallurgical interest,’ and the Kroll Medal, which is awarded ‘in recognition of
significant contribution that has enhanced the scientific understanding of materials
chemistry as applied to the industrial production of materials, normally inorganic.’ We
are pleased to announce that the winner of the 2020 Hume-Rothery Prize was Klaus
Hack, recently retired from GTT Technologies.

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Current Membership of the Materials Chemistry Committee of the IoM3

                                                                Institution
    Tim                        Chart                          Chart associates
   Kathy             Christofidou (vice-chair)           University of Manchester
   Alan                      Dinsdale                   Hampton Thermodynamics/
  George                       Chen                   The University of Nottingham
   Derek                       Fray*                      University of Cambridge
   John                        Gisby                    Hampton Thermodynamics
   Chris                     Gourlay                          Imperial College
  Duncan                     Gregory                       University of Glasgow
  Girish                       Kale                         University of Leeds
  Mudith                   Karunaratne               Sri Lanka Institute of Information
  Hajime                    Kinoshita                      University of Sheffield
  Richard                  Longbottom                           British Steel
   Rosie                      Mellor                      University of Cambridge
  Simon                    Middleburgh                       Bangor University
   Stuart                  Mucklejohn                          Ceravision Ltd
   Lewis                       Owen                       University of Cambridge
   David                      Parfitt                       Coventry University
    Ed                       Pickering                   University of Manchester
  Duncan                      Putman                          Rolls Royce Plc
  Michael                    Rushton                         Bangor University
  Begoña                    Santillana                           Tata Steel
  Carsten                   Schwandt*                     University of Cambridge
  Andrew                    Scott (sec)                     University of Leeds
  Howard                       Stone                      University of Cambridge
 Pratheek                    Shanthraj                   University of Manchester
 Guosheng                     Shao*                         University of Bolton
  Howard                       Stone                      University of Cambridge
   Mark                        Tyrer                       Collegium Basilea
   Claire                      Utton                     University of Sheffield
    Nils                     Warnken                    University of Birmingham
   Andy                   Watson (chair)                Hampton Thermodynamics
 Shaowei                      Zhang                       University of Exeter
                                                                          * corresponding membership

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Phase Diagram Activities in the UK:
(Please note, this list may not be exhaustive)

                Interest                                  Material/system                             Researcher(s)
                                                                                                University of Birmingham
                                                            Fe-Ti-Mo,W                       (Sandy Knowles) and Hampton
                                                                                            Thermodynamics (Andy Watson)
                                                                                                 University of Cambridge
                                                                                        (Howard Stone), University of Manchester
          High entropy alloys                    Cr-Mn-Fe-Co-Ni-Mo-Nb-Al-Ti-C
                                                                                          (Ed Pickering), University of Sheffield
                                                                                                  (Kathy Christofidou)
 800˚C phase equilibria studies, several
  alloys from the system. Part of larger
                                                                                        University of Cambridge (Howard Stone)
     program aimed at understanding      Ni-Co-Cr-Fe-Mo-W-Al-Ti-Nb-Ta-Hf-C-
                                                                                           & University of Sheffield) Kathy
 increased additions of Co and Ti to Ni-                B-Zr
                                                                                                      Christofidou)
based superalloys. DSC data available as
                  well.
            Cupronickel alloys                        Al-Cu-Ni                                              ”
                                                                                                University of Cambridge
As part of the efforts to understand high                                               (Howard Stone, Nick Jones & Maximilian
                                                          Fe-Cr-Co-Ni-Mn
entropy alloys. Phase equilibria studies                                                Bloomfield) University of Manchester (Ed
    500-900˚C temperature range.                                                        Pickering), University of Sheffield (Kathy
                                                                                                      Christofidou)
   Development and maintenance of
                                            Ag-Au-Bi-Cu-In-Ni-Pb-Pd-Sb-Sn-Zn +                 Hampton Thermodynamics
   COST 531 and MP0602 lead-free
                                                      Ga, Ge, Mg, Si                               (Andy Watson)
          solders databases

   Management of general database
    (SGSOL) on behalf of SGTE
                                                                                                            ”

                                                             Ag-Bi-Sn
                                                             Ag-Cu-In
                                                             Ag-Ni-Sn
      MSI evaluation programme                               Au-Ni-Sn                                       ”
                                                             Cu-Mn-Ni
                                                              In-Ni-Sn
                                                             Mn-Ti-Zr

                                                                                            Hampton Thermodynamics (Andy
      Amalgams for light sources                              Ga-In-Hg                       Watson) and Ceravision (Stuart
                                                                                                     Mucklejohn)

                                                             Li-B-H+Br
                                                                                                  Coventry University
           Battery materials                                  Li-Zr-O
                                                                                                    (Dave Parfitt)
                                                              Li-Ti-O

             Beta-Ti alloys                                   Ti-Mo-V                                       ”

                                                                                                            ”
            Low alloy Steels                               Fe-Ni-Mn-Si-C
                                                                                                     (with Vit Janik)

                                                                                                  Coventry University
   Additive manufacturing materials                           Ti-Al-V
                                                                                                      (Vit Janik)

 Structural materials and materials for
                                                 Al-alloys, Ti-alloys, Fe-C low alloy             Coventry University
    high temperature applications –
                                                                 steels                           (Masoumeh Faraji)
  refractory and high-entropy alloys
Development and maintenance of COST                                                            Hampton Thermodynamics
                                             Ag-Au-Bi-Cu-In-Ni-Pb-Pd-Sb-Sn-Zn
    531 lead-free solders database                                                                 (Alan Dinsdale)
Management of database for elements on
                                                                                                            ”
         behalf of SGTE

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Interest                              Material/system                           Researcher(s)
                                                    Ag-Al-Cu-Ge-O-Ti
                                                          Cd-Mg
                                                           Ge-Si
    Interaction between brazes and                                                       Hampton Thermodynamics
                                                           Li-Mg
               ceramics                                                                (Alan Dinsdale) / NUST MISIS
                                                           Mg-Si
                                                            O-Si
                                                            Ti-V
                                           Ag, Be, Bi, Cd, Cs, Cu, Ge, Hg, In, K,
Reassessment of data for the elements.                                                               ”
                                            Li, Mg, Na, Rb, Sb, Si, Sn, Tc, Zn
                                                                                        Hampton Thermodynamics
                                              I-Na-X (X = Ce,Dy,Gd,Nd,Sm)             (Alan Dinsdale & Hugh Davies)
                Lamps
                                                   I-Li-Y (Y = Nd,Sm)                           Ceravision
                                                                                            (S.A.Mucklejohn)
                                                                                      BCAST (Brunel University – Alan
                                                                                                  Dinsdale)
               Al-alloys                             Al-Fe-Mn-Si-Zn
                                                                                    (with Czech Academy of Sciences and
                                                                                        Austrian Research Foundation)
                                           Al-As-B-Bi-C-Ca-Cd-Co-Cr-Cu-F-Fe-
Comprehensive database development                                                       Hampton Thermodynamics
                                           H-K-Li-Mg-Mn-N-Na-Nb-Ni-O-P-Pb-
        for oxide systems                                                                     (John Gisby)
                                                S-Sb-Si-Sn-Te-Ti-V-Zn-Zr
                                                     Am-O-Pu-Th-U
                                                                                                     ”
                                                     Am-Ce-O-Th-U
                                                        Cs-Tc-O
                                                                                                     ”
                                                        Cs-Re-O
                                                                                              Imperial College
          Electronic solders                         Sn-Bi; Sn-Cu-Ni
                                                                                     (Chris Gourlay & Sergey Belyakov)
 new Mg2+ ion conductors for solid-        MgO-ZrO2-P2O5, MgO-HfO2-P2O5 and                  University of Leeds
    state electrochemical sensors                  MgO-CeO2-P2O5                                (Girish Kale)
Phase stability: bulk and multilayer for                MoS2                                 University of Leeds
         photonic applications                           WS2                                   (Andrew Scott)
 Doped thin film hafnia as potential
                                                       HfO2-doped                                    ”
        ferroelectric materials
                                                        V-Cr-Mn
                                                       Ti-V-Cr-Mn                        University of Manchester
                                                     Ti-V-Cr-Mn-Fe                            (Ed Pickering)
                                                       Ti-V-Ta-W                             Univ. of Sheffield
High-entropy alloys for next generation
                                                        Ti-Ta-W                               (Amy Gandy)
         nuclear applications.
                                                         Ti-V-W                              Oxford University
                                                 Ti-V-Ta-W(low)-Fe(low)                     (David Armstrong)
                                                 Ti-V-Ta-W(low)-Cr(low)                    and partners in India
                                                   V-Cr-Mn-Fe-W(low)
                                                                                         University of Manchester
   High-entropy alloys for brazing                     Cr-Mn-Ni-In                           (Ed Pickering)
            applications                              B-Cr-Fe-Ni-Ge                         Univ. of Sheffield
                                                                                            (Russell Goodall)
  Materials development and process
                                                           Fe-C                        Rolls Royce (Duncan Putman)
            understanding
   On-going materials development                     Ni-based alloys                                ”

                                                         Cs-O-Re                           University of Sheffield
                                                         Cs-O-Tc                      (Claire Utton/Hajime Kinoshita)

                                                                                            University of Sheffield
          X – Al, Ge, Ti, Sn                             Nb-Si-X                    (Claire Utton/Hajime Kinoshita/Panos
                                                                                                Tsakiropoulos)

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