THERMODYNAMICS OF LEAD FREE Bi-Sn SOLDER ALLOYS WITH Ni and Cu S. Amore, S. Delsante, E. Puzo, G. Borzone Department of Chemistry and Industrial Chemistry.

Slides:



Advertisements
Similar presentations
On Pb-free (solder) Interconnections for High-Temperature Applications A.A. Kodentsov Laboratory of Materials and Interface Chemistry, Eindhoven University.
Advertisements

Thermochemistry Internal Energy Kinetic energy Potential energy.
1 Chapter 6 Principles of Reactivity: Energy and Chemical Reactions Read/Study:Chapter 6 in e-Textbook! Read/Study: Chapter 6 in e-Textbook! Learn Key.
Lead-free particle reinforced composite solders Preliminary results P.Unifantowicz, T.Rütti, J.Janczak-Rusch.
1 Thermochemical and topological studies of systems constituted by transition metals (Co, Ni) with Sn and Bi G.P. Vassilev a, K.I. Lilova b, J.C. Gachon.
1 Thermal Analysis of Sn, Cu and Ag Nanopowders Pavel Brož, Jiří Sopoušek, Jan Vřešťál Masaryk University, Faculty of Science, Department of Chemistry,
Thermodynamic Reassessment of the Cu-Ni-Sn System Adéla Zemanová and Aleš Kroupa Institute of Physics of Materials Academy of Sciences of Czech Republic.
COST 531 Meeting Vienna, Mai 2007 Riccardo Ferro  a, Gabriella Borzone a, Gabriele Cacciamani a, Stefano Amore a,d, Nadia Parodi a, Gilda Zanicchi a,
Bi-Sn-Zn & Pd-Sn-Zn Systems: Summary of the Results Jiri Vizdal 1 and Ales Kroupa 2 Phase Equilibria in Lead-free solders 2 Structure of Phases Group Department.
Fig. 2In-Pd-Sn: Composition of the samples and position of the sections for calorimetry at 900°C. *Corresponding Author: Tel.-No , FAX-No.
Enthalpy C 6 H 12 O 6 (s) + 6O 2 (g) --> 6CO 2 (g) + 6H 2 O(l) kJ 2C 57 H 110 O O 2 (g) --> 114 CO 2 (g) H 2 O(l) + 75,520 kJ The.
Lead-Free Soldering: Phase Relationships and Thermochemistry of Ag-Cu-Ni-Sn H. Flandorfer, C. Schmetterer, U. Saeed and H. Ipser Department of Inorganic.
Lead-free Solder Alloys: Enthalpies of formation of (Ag,Cu,Ni)-Sn binary alloys U. Saeed, H. Flandorfer, H. Ipser Institute of Inorganic Chemistry / Materials.
A brief summary of thermodynamic properties of various ternary systems investigated by EMF and Calorimetric method Sabine Knott and Adolf Mikula Institute.
Phase Equilibria in Ni-P-Sn
E. Ricci, D. Giuranno, F. Gnecco, S. Amore, T. Lanata, R. Novakovic
© 2006 Brooks/Cole - Thomson Some Thermodynamic Terms Notice that the energy change in moving from the top to the bottom is independent of pathway but.
 Energy is transferred ◦ Exothermic – heat is released  Heat exits ◦ Endothermic – heat is required or absorbed by reaction  Measure energy in Joules.
Prentice-Hall © 2007 General Chemistry: Chapter 7 Slide 1 of 58 CHEMISTRY Ninth Edition GENERAL Principles and Modern Applications Petrucci Harwood Herring.
EXPERIMENT # 9 Instructor: M.Yaqub
Thermodynamics Thermodynamics is the study of systems involving energy in the form of heat and work.
Bomb Calorimetry constant volume often used for combustion reactions heat released by reaction is absorbed by calorimeter contents need heat capacity of.
Thermochemistry Chapter 5. First Law of Thermodynamics states that energy is conserved.Energy that is lost by a system must be gained by the surroundings.
Aim: How to measure molar heat of solution DO NOW: Get into groups of 3 or 4 and compare your homework. You have 5 minutes.
1 Chapter 6 EnergyThermodynamics. 2 Energy is... n The ability to do work. n Conserved. n made of heat and work. n a state function. n independent of.
in tin pest and pest free Monika Leodolter-Dvorak and Ilse Steffan
Interactive experimentation and thermodynamic modeling
Energy, Enthalpy Calorimetry & Thermochemistry
Chapter 5- Part 2 Thermochemistry
Energy and Chemical Reactions
Physical Chemistry content Physical Chemistry 1 (BSC) Thermodynamics Terms The thermodynamic system First law of thermodynamics Work, heat, internal energy,
Study of the Sn-Zn-X alloys for solder applications in the electronic industry Study of the Sn-Zn-X alloys for solder applications in the electronic industry.
Chapter 5: Thermochemistry. Thermochemistry: – Energy Kinetic & Potential – First Law of Thermo internal energy, heat & work endothermic & exothermic.
Thermodynamics & Ideal Gases
Dr Ku Syahidah Ku Ismail CHAPTER 5 STANDARD THERMODYNAMIC FUNCTIONS OF REACTION.
Thermochemistry! AP Chapter 5. Temperature vs. Heat Temperature is the average kinetic energy of the particles in a substance. Heat is the energy that.
Unit 2 – Matter and Energy Mrs. Callender. Lesson Essential Question: What are the differences between chemical and physical changes?
Thermodynamic data used for the optimization: calorimetry, galvanic cells, vapor pressure, equilibria with gases of known activity CT - 6: Sources of thermodynamic.
Calculations of phase diagrams using Thermo-Calc software package Equilibrium calculation using the Gibbs energy minimisation 1. The Gibbs energy for a.
Unit 1: Chemistry Basics 1.52 Calorimetry Textbook ch 5.5 © 2009, Prentice-Hall, Inc.
Thermal Chemistry. V.B.3 a.Explain the law of conservation of energy in chemical reactions b.Describe the concept of heat and explain the difference between.
Chapter 6 Thermochemistry. Final Exam. ( May7, 2014 Wednesday) Instructional Complex :15 AM. –12:15 PM.
Chemical Equilibrium By Doba Jackson, Ph.D.. Outline of Chpt 5 Gibbs Energy and Helmholtz Energy Gibbs energy of a reaction mixture (Chemical Potential)
Thermodynamic data A tutorial course Session 6: Modelling Surface Tension Alan Dinsdale “Thermochemistry of Materials” SRC.
Phase Transitions The above picture shows a block of solid Ar melting and subliming after exposur to aire at roughly room temperature.
Phase Diagrams melting / production process / alloying (strength, Tm...) heat treatment microstructure material properties system (e.g. Cu-Ni) components.
AL Chemistry Summer Project Standard enthalpy changes Group 6 (produced by Chen William and Lam Yu Wing)
Thermochemistry. Thermodynamics  Study of the changes in energy and transfers of energy that accompany chemical and physical processes.  address 3 fundamental.
3 Enthalpy. Units SI unit = joule 1KJ = 1000J = cal 1st law of Thermodynamics The total energy of the universe is constant i.e energy cannot be.
Chemistry Two Key Questions 1. Will a chemical reaction go? 2.
Energy The capacity to do work or to produce heat.
THERMOCHEMISTRY. Thermochemistry Chapter 6 Definitions #1 Energy: The capacity to do work or produce heat Potential Energy: Energy due to position or.
Exothermic  When heat is released (given off) by the system into the surroundings, the process is exothermic  H = H final − H initial  H = H products.
What is the difference between energy, heat and temperature?
Lecture 4 Phase Diagram.
Chapter 11 Thermo chemistry Heat and Chemical Change The Flow of Energy – Heat Measuring and Expressing Heat Changes Heat in Changes of State Calculating.
Heat and Energy of Ractions Chapter 10 Energy World of Chemistry Zumdahl Last revision Fall 2009.
Thermochemistry Energy and Chemical Change. Energy Energy can change for and flow, but it is always conserved.
Chemistry Notes 09/23 Physical and Chemical Changes.
IIIIIIIVV I. Enthalpy Ch. 5 – Thermochemistry. A. Reaction Energy (Chp. #2) n Heat ( q ) – Units: J (joules)  Total amount of thermal energy  heat or.
Chapter 6 Thermochemistry: pp The Nature of Energy Energy – Capacity to do work or produce heat. – 1 st Law of Thermodynamics: Energy can.
electrochemical stability of the siliceous brass ЛК80-3
Material Science & Metallurgy Non Equilibrium Cooling
Solution of Thermodynamics: Theory and applications
Introduction to Materials Science and Engineering
CHAPTER 9: PHASE DIAGRAMS
Introduction to the Phase Diagrams MME 293: Lecture 05
Phase Diagram.
CHAPTER 9: PHASE DIAGRAMS
Thermochemistry.
Presentation transcript:

THERMODYNAMICS OF LEAD FREE Bi-Sn SOLDER ALLOYS WITH Ni and Cu S. Amore, S. Delsante, E. Puzo, G. Borzone Department of Chemistry and Industrial Chemistry (DCCI) University of Genoa (Italy)

Introduction Interactions between Pb-free solder alloys and substrates Final Meeting COST Action 531 Vienna May 2007 Solder systemBi-Sn Bi-Sn Substrates Ni, Cu Substrates Ni, Cu  Study of the interfacial reaction between Bi-Sn alloy and Ni, Cu substrate  Study of the wetting properties (contact angle and interfacial reaction) of Bi-Sn system on Cu and Ni  Comprensive understanding of the phase equilibria and thermodynamic properties Measurments of partial enthalpy at infinite dilution of solid Ni and Cu in liquid Bi-Sn On Genova Literature works This work

Final Meeting COST Action 531 Vienna May 2007 Experimental Dissolution Calvet Calorimeter Pure Ar flux (6l/h) Graphite crucible Ta getter Real time acquisition of Heat Flow, calorimeter temperature (S-type thermocouple) and room temperature (K- type thermocouple); scan rate 1s Samples Pure elements mechanically a chemically cleaned Mass of bath about 20g After each experiment thermodynamic equilibrium checked by SEM-EDS analysis Appropriate software in LabView environment

Bi-Sn-X (X=Ni,Cu) system Final Meeting COST Action 531 Vienna May 2007 Ni-Sn Bi-Sn Bi-Ni Cu-Sn H. Ipser, et al, J Mater Sci: Mater Electron (2007) 18:3–17 TB Massalski Binary Alloy Phase Diagrams vol 1,2

Final Meeting COST Action 531 Vienna May 2007 Literature Data H. Ipser, H. Flandorfer, Ch. Luef, C. Schmetterer, U. Saeed, J Mater Sci: Mater Electron (2007) 18:3–17 Integral enthalpy of mixing Sn-Ni system Partial Enthalpy of mixing of Ni in liquid Sn at T=773 K approx -60kJ/mol

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Ni experimental results T= 820 K Nominal composition of the bath Bi-57at%Sn Drop of Ni with 0.01g<m Ni <0.03g 0<x(Ni)< different runs in same conditions Partial enthalpy of mixing at infinite dilution for Ni in liquid Bi-57at%Sn alloy

Bi-Sn-Ni experimental results Final Meeting COST Action 531 Vienna May 2007 Calorimetric sample after measure at T= 820 K Bi36at%-Sn63at%-Ni1at% Change of the composition due to the evaporation of Bi p 0 Bi (T=800K) ≈ atm p 0 Sn (T=800K) ≈ atm Ni 3 Sn 4 Eutectic at 57at%Sn

Bi-Sn/Ni interfacial reaction Final Meeting COST Action 531 Vienna May 2007 J. Wang, H.S. Liu, Z.P. Jin, J. Electronic Materials 35 (2006) 10 T=423K Bi-91at%Sn Bi-64at%Sn Bi-43at%Sn

Bi/Ni interfacial reaction Final Meeting COST Action 531 Vienna May 2007 V.I. Dybkov, K. Barmak, w. Lengauer, P. Gas, Journal of Alloys and Compounds 389 (2005) T=423K Pure liquid Bi in contact with solid Ni Formation of the NiBi 3 phase

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Ni experimental results “Calorimetric” sample after measurement at T= 820 K NiBi 3 Ni 3 Sn 4 Bi36at%-Sn63at%-Ni1at%

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Ni experimental results Sample annealed at 820 K and then quenched in cold water Ni 3 Sn 4 Primary cristals Bi37at%-Sn62at%-Ni1at% Change of the composition due to the evaporation of Bi p 0 Bi (T=800K) ≈ atm p 0 Sn (T=800K) ≈ atm

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Cu experimental results T= 820 K Bi-57at%Sn + Cu 4 different runs in same conditions 0<x(Cu)<0.018 Partial enthalpy of mixing at infinite dilution for Cu in liquid Bi-57at%Sn alloy

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Cu literature data H. Ipser, H. Flandorfer, Ch. Luef, C. Schmetterer, U. Saeed, J Mater Sci: Mater Electron (2007) 18:3–17 Integral enthalpy of mixing Bi-Sn-Cu system The literature data of the integral enthalpy of mixing confirm the endothermic value of the partial enthalpy of mixing of Cu in liquid Bi-Sn at a composition near to the eutectic

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Cu experimental results “Calorimetric” sample after measurement at T= 820 K  -phase Cu 6 Sn 5 Eutectic at 57at%Sn Bi36at%-Sn62.5at%-Cu1.5at% Primary cristals

Final Meeting COST Action 531 Vienna May 2007 Bi-Sn-Ni experimental results Partial enthalpy of mixing at infinite dilution for Ni and Cu in liquid Bi-61at%Sn alloy

Final Meeting COST Action 531 Vienna May 2007 Conclusions Results  Exothermic partial enthalpy of mixing of Ni in liquid Bi-Sn at composition near to the eutectic  Endothermic partial enthalpy of mixing of Cu in liquid Bi-Sn at composition near to the eutecticDifficulties  Change of the composition due to the evaporation of Bi during the experiment Future Work  Measurements of the partial enthalpy of mixing for Bi-Sn-X (X=Cu,Ni) at different temperatures  Study of wetting behaviour of Bi-Sn alloys on Cu and Ni substrates

Prof. Gabriella Borzone Prof. Gabriella Borzone – Group leader Dr. Nadia Parodi – Senior Scientis Dr. Simona Delsante – Post Doc Stefano Amore – Ph.D. Enrico Puzo – SEM EDS technician Università di Genova Department of Chemistry and Industrial Chemistry

Thank you for your attention