Tenders Are Invited For Execution Research Work Consisting In Determining The Correlation Between The Microstructure And The Properties Mechanical Ceramic Composites For Mouthpieces For Systems Forming Porous Building Ceramics

1. The Subject Of The Order Is A Service In The Form Of Research Work Consisting In Determining The Correlation Between The Microstructure And Mechanical Properties Of Ceramic Composites (Zirconia Toghened Alumina Type) For Mouthpieces For Systems Forming Porous Building Ceramics.2. Detailed Description Of The Subject Of The Order - Scope Of Research Work: The Commissioned Work Will Be Of A Research Nature, Aimed At Determining The Correlation Between The Microstructure And Mechanical Properties Of Ceramic Composites. The Research Results Will Constitute Part Of The Optimization Of Product Technology For Mouthpieces For Systems Forming Porous Construction Ceramics. The Optimization Parameters Will Be The Values ​​Of Strength, Fracture Toughness, Abrasive Wear Resistance As Well As The Phase Composition And Microstructural Parameters Of The Sintered Products. The Research Work Will Aim To Determine Qualitative And Quantitative Correlations Between The Conditions Of The Sintering Process And The Phase Composition, Microstructure, And Mechanical Properties Of The Obtained Materials. The Materials For Testing Will Be Obtained By Free Sintering Of Samples Obtained By Isostatic Pressing Of Mixtures Of Aluminum Oxide, Zirconium Dioxide And Various Powders. Type Of Additives. The Experiments Will Be Performed On Powders And Products Provided By The Ordering Party. The Impact Of Technological Parameters On The Previously Mentioned Material Characteristics Will Be Examined. The Parameters Of The Sintering Process Include: • Temperature And Sintering Time: Research Will Be Carried Out To Determine The Influence Of The Maximum Sintering Temperature, The Duration Of This Process And The Speed Of Both Temperature Progress And, Due To The Presence Of The Liquid Phase, Cooling (Sintering Curve). Determining The Occurrence Of And The Strength Of Correlation Between The Conditions Of The Sintering Process And The Properties Of The Obtained Materials Will Be Based On The Results Obtained In The Following Tests: A. Qualitative And Quantitative Determination Of The Phase Composition Of Sintered Materials Together With The Determination Of The Parameters Of The Unit Cell Of The Component Phases. These Measurements Will Be Carried Out Using The X-Ray Diffraction Method With Qualitative Analysis Performed Using Software Dedicated To This Purpose, Based On The Current Diffraction Database And With Quantitative Analysis Using The Rietveld Method. B. Qualitative And Quantitative Determination Of The Microstructure Of Composite Sinters. Observations And Recording Of Microstructure Images Should Be Carried Out On Specimens With Revealed Microstructure, Made By The Contractor Using A Scanning Electron Microscope. Quantitative Description Of Microstructures (Grain Size Distribution, Average Grain Size, Pore Volume Fraction, Crack Identification And Length, Grain Shape) Should Be Made Based On Numerical Analysis Of Sem Images Using A Dedicated Program. C. Determination Of Elastic And Mechanical Properties. Tests Of Elastic Properties (Youngs Modulus, Stiffness Modulus And Poissons Number) At Room Temperature And At Temperatures Close To The Operating Temperature Will Be Carried Out Using The Dynamic Method. The Following Will Also Be Tested: Three-Point Bending Strength. The Results Of All Tests Should Be Comprehensively Developed Along With Qualitative And Quantitative Determination Of Correlations Between Technological Parameters And Functional Properties Of Hybrid Aluminosilicate Materials. 3. Forecasted Number Of Analyzes And Tests Performed As Part Of The Subject Of The Contract: 1) Qualitative And Quantitative Determination Of The Phase Composition Along With The Determination Of The Parameters Of The Unit Cell Of The Tested Materials, Including Preparation Of Test Samples - Min. 50 Samples 2) Microstructural Characterization Of Sintered Prototype Materials Using Techniques Scanning Microscopy With Chemical Analysis In Micro-Areas (Sem/Eds), Including Preparation Of Samples For Testing - Min. 40 Samples.3) Numerical Analysis Of Microstructure Images And Determination Of Characteristic Parameters Of Sintered Materials - Min. 30 Samples4) Characteristics Of The Thickening Process Of Plastics Formed From Various Sets Of Raw Materials, Using Various Process Parameters, Including The Preparation Of Test Samples - Min. 30 Samples.5) Determination Of Abrasion Resistance According To Dry Sand Test Of Sintered Prototype Materials, Including Preparation Of Test Samples - Min. 30 Samples.6) Determination Of The Bending Strength At Room Temperature Of Sintered Prototype Materials - Min. 20 Samples. A Comprehensive Report On The Correlation Between Changes In The Chemical And Phase Composition Of Prototype Materials And The Possibility Of Achieving The Assumed Product Parameters.4. The Detailed Tasks Of The Contractor Are Specified In The Template Agreement Between The Ordering Party And The Contractor, Constituting Annex No. 1 To The Swz (Hereinafter Referred To As The Agreement). 5. The Tests Will Be Ordered During The Period Of Implementation By The Ordering Party Of The Project Referred To In Chapter. 3 Swz Points 3.5. 6. The Subject Of The Order Will Be Implemented In The Period: From March 2024 To August 31, 2026. 7. The Contractor Will Provide The Ordering Party With The Results On An Ongoing Basis, After The Ordering Party Delivers The Testing Materials.8. The Contractor Will Provide The Ordering Party With The Results In Electronic Form (To The E-Mail Address Indicated In The Contract) Along With Their Description, Assessment And Necessary Comments (Interpretation), Without Undue Delay.9. The Contractor Will Also Send The Ordering Party Raw Results In The Form Of Editable Files (E.G. In .Xls, .Csv Formats).10. The Order Was Not Divided Into Parts. The Offer Must Be Submitted For The Full Scope Of The Order Described In This Tor. Offers That Do Not Include The Full Scope Of The Subject Matter Of The Contract Will Be Rejected.