TCSLD: TCS Solder Alloy Solutions Database Revision History

Software release version 2025a (January 2025)

• Improved phase description of HCP_A3 and EPSILON_HCP in Ag-Sb-Zn, Ag-Sn-Zn, Al-Cu-Zn, and Cu-Si-Zn systems
• Added the Ag-Cu-Zn system

Software release version: 2024b (June 2024)

New Elements

• Hf, Ti, and Zr are added making a 24 element framework.

Binary Systems

• 161 assessed binary systems are now included.
• 19 new: Ag-Hf, Ag-Ti, Ag-Zr, Bi-Mg, Bi-Mn, Cu-Hf, Cu-Ti, Cu-Zr, Ga-Hf, Ga-Ti, Ga-Zr, Hf-Sn, Hf-Ti, Hf-Zr, In-Ti, In-Zr, Sn-Ti, Sn-Zr, and Ti-Zr.
• Three (3) reassessed: Mg-Pb, Ni-Pb, and In-Pb.

Ternary Systems

• 77 assessed ternary systems are now included.
• Five (5) new: Ag-Cu-Ga, Ag-Cu-Ti, Ag-Cu-Zr, Cu-Sn-Ti, and Cu-Ti-Zr.
• One (1) reassessed: Bi-Sb-Sn.

Phases

• 56 new and updated phases for a total of 328.
• The HCP_A3 phase is restored as the lattice stability of Zn, and the interaction parameters are adjusted accordingly.

Software release version: 2022b (June 2022)

• Bi-Sn is re-assessed.
• Au-Co is updated.

Software release version: 2022a (December 2021/January 2022)

• Sn-Bi binary system is updated.
• More viscosity and surface tension parameters were added. All thermodynamically assessed systems now have VISC/SURF parameters.
• Viscosity of Ag-Au is re-assessed and added for Ag-Au-Cu.
• The description of the molar volume of BCT_A5 Sn is corrected.

Software release version: 2021b (June 2021)

Addition of surface tension and viscosity thermophysical property data.

Software release version: 2020b (June 2020)

• Added 3 binary systems Ga-Bi, Ga-Sb, Ga-In

• Ca is added together with some Ca-related systems: Al-Ca, Ca-Sn, Ca-Pb, Ca-Pb-Sn
• Added the Mg-Sn and Mg-Pb binary systems.
• Added the Bi-Cu-Sb ternary system.
• Updated the Ag-Au-Cu system.

Released with the 2015b update in March 2016.

• Thermodynamic assessments of the Ga-Ge and Ga-Pt binary systems are added.

• Thermodynamic descriptions of the Ag-Cu-Pd and Ga-Ge-Pt ternary systems are included.

Software release version: 2015b (December 2015)

• Volume data for the liquid phase are updated for some Ag/Bi/Cu/In-containing binary systems and a few Ag-containing ternary systems.

• Thermodynamic description of the Au-Pb-Sn ternary system is added.

Software release version: 2015a (June 2015)

• Volume data, including molar volume and thermal expansion, have been added in TCSLD3. This allows for the calculations of volume fraction of phases, density, thermal expansion and lattice parameters etc.

• Four elements, Cd, Ga, Mg, Mn, have been added in TCSLD3. The thermodynamic assessments of the Ag-Ga, Al-Ga, Al-Mg, Cd-Cu, Cd-Pb, Cd-Sb, Cd-Sn, Cd-Zn, Cu-Ga, Cu-Mn, Ga-Mg, Ga-Sn, Ga-Zn, Mn-Sn, Mg-Zn binary systems have been implemented. The following ternary systems have also been assessed: Al-Ga-Zn, Al-Mg-Zn, Cd-Pb-Sn, Cd-Sb-Zn, Cu-Mn-Sn, Ga-Sn-Zn.

Software release version: 4.0 (June 2014)

The thermodynamic assessments of the Ge-Pt and Pt-Sb binary systems have been included in TCSLD2. The descriptions of Ag-Ge, Ag-Pd, Al-Au, Al-Bi, Al-Co, Al-Si, Au-Bi, Au-Co, Au-Ge, Au-Sb, Bi-Cu, Bi-Ni, Bi-Sn, Co-Ge, Co-Zn, Cu-Ge, Cu-Pb, Cu-Zn, Ge-Ni, Ge-Sb, In-Pb, Ni-Sn, Ni-Zn, Pb-Pt, Pb-Sb, Pb-Zn have been updated, taking into account newly available experimental data and/or the compatibility in higher order systems. In most cases, especially when it is important, the phases having the same crystal structure have been merged as the same phase.

The following ternary systems have been implemented in TCSLD2: Ag-Au-Ge, Ag-In-Pd, Al-Cu-Sn, Al-Ge-Zn, Al-Sn-Zn, Au-Cu-Sb, Au-Ge-Sn, Co-Ni-Sb, Cu-Ni-Sn, Ge-Sb-Sn, In-Pb-Sn, Pb-Sb-Sn, Pb-Sn-Zn. The descriptions of Ag-Au-Pb, Ag-Au-Sn, Ag-Bi-Sn, Ag-Cu-In, Ag-Sb-Sn, Ag-Sb-Zn, Ag-Sn-Zn, Al-Bi-Sn, Al-Bi-Zn, Al-Cu-Zn, Au-Bi-Sn, Au-In-Sb, Au-In-Sn, Au-Ni-Sn, Au-Sb-Sn, Bi-In-Sn, Bi-Sb-Sn, Cu-In-Sn, Cu-Si-Zn, In-Ni-Sn, In-Sb-Sn have been updated on a basis of critical evaluation of available experimental and theoretical data. Please note that minor revisions have also been made on many other binary and ternary systems.