development of a new altair-customized database of advanced material properties
TRANSCRIPT
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6th European Altair Technology Conference
Turin, 23th April 2013
Prof Dr Viktor Pocajt
Development of a New
Altair-Customized Database
of Advanced Material Properties
1 Key to Metals - The World’s Most Comprehensive MATERIALS Properties Database
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Engineering Metals Properties
Requirements
• Challenge - Engineers need precise material
properties information
• Today - Most of CAE packages have
some material libraries, but they are
either empty or populated with only
a handful of most common materials
• Engineers need to search and occasionally find
some data in scattered sources such as
standards, books, articles and the Internet,
some of them being even free
• Results in…
4 Key to Metals - The World’s Most Comprehensive METALS Properties Databases
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5) Time wasted on searching for properties
instead of engineering
4) Lost opportunities to optimize design
3) Difficulties in communication with purchasing
and manufacturing, especially internationally
2) Creating islands
of information within
the organization
1) 29.3% of all failures
are caused by poor design
or lack of knowledge about
material properties and
standard specifications!
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Example
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Yield stress
Aluminum: 240-310 MPa
Stainless steel: 275-350 MPa
Carbon steel: 205-275 MPa
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Is it?
• Aluminum (240-310 MPa ???) • Grade 1060, ASTM B 736, Plates, sheets; Annealed (O);
1,295 - 76,2 mm; YS = 17 MPa
• AA 2014, Plates; Solution heat treated and artificially aged (T62); 12,7-25,4 mm; YS = 407 MPa
• Stainless steel (275-350 Mpa ???) • S30403, ASTM A 814; Pipes; Heat treated; YS = 170 MPa
• Type 630, ASTM A 693, Plates, sheets, strips; Precipitation hardened (PH496); YS = 1070 MPa
• Carbon steel (205-275 MPa ???) • A 1008 EDDS, ASTM A 1008; Sheets; Cold rolled; YS = 105 MPa
• 42 NCD 16-M , AFNOR NF A 32-058, Castings; Quenched and tempered (Class 1); YS = 1500 MPa
• Dependency on the heat treatment • S21400, ASTM A 580; Wires; Annealed; YS = 345
• S21400, ASTM A 580; Wires; Cold drawn; YS = 1310
• The ratio is ~3,8:1 !
7 Key to Metals - The World’s Most Comprehensive METALS Properties Databases
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Use Case 1: Linear Data
• Need - Material data needed
for calculations in the elastic range
• Today’s Method - Some data
CAN be found for some materials
from diversified data sources,
some of them being even free
• Issues with Today’s Method
• Solution - KEY to METALS Standard set
– Information for over 200.000 materials worldwide
through readily available standard dataset
– Information available in seconds
– High quality of the data due to certified process
and strong data coupling with standard
specifications
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Mechanical Properties
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Physical Properties
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Physical Properties: Additional Sources
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Every dataset
is related with
one or more
references
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International Cross-Reference Table
of Equivalent Materials
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Unique
proprietary
categorization
of similarities
and patented
SmartCross
algorithm for
finding
unknown
equivalents
worldwide
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Material Properties Side-by-Side Comparison
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Use Case 2: Advance Data
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• Need - Material data for advanced CAE calculations • Stress-strain curves for calculations in the plastic
range, fatigue properties, fracture mechanics parameters, etc…
• Challenge - Data is very difficult to find at all • Best case scenario: several hours searching for data
• Often, the time span for searching can be in weeks, resulting in costly delays
• Frequently, the data is not found at all
• Even more possibilities for dangerous errors
The Solution:
KEY to METALS
Extended Range
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Extended Range Data Scope
• The number of materials with the properties directly available online (April 2013): 1) Stress-strain curves: >3000 materials (~35,000 curves) 2) Formability curves: >1500 materials 3) Fatigue: >3800 materials (~20,000 datasets) 4) Fracture mechanics: >500 materials 5) Creep data: >6000 materials
• These numbers are already considerably larger than any other collection in the world
• The numbers and functionalities are continuously increased through monthly updates & upgrades
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Values in the table
readily available
to be used in a
CAE program
Readily prepared stress-strain curves
and values for thousands of materials,
temperatures and strain rates
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Strain life fatigue
curve as a
combination of
plastic and elastic
strain
By moving mouse
over the red line
(total strain), the
number of reversals
and total strain are
displayed
The data are given
in a tabular form
that can be easily
copied & pasted
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Altair and KEY to METALS
• Service for Partner Program users started in
January 2012
• KEY to METALS Standard Edition The first Web service within
the HWPA
• Among the highest end-users’ interest within the HWPA – 100+
new users within the first two months
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New in APA: KEY to METALS
Premium Edition
1) Standard KEY to METALS
2) Extended Range
3) PLUS Module: Polymers,
Ceramics, Composites
4) Exclusive: Data export to HW solver
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PLUS: Polymer
Physical Properties
Example
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PLUS: Polymer Stress-Strain Diagram Example
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PLUS: Composite Mechanical Properties Example
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Data Export, Step 1: Adding Properties
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Step 2: Reviewing & Editing
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Step 3: Saving the File
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New Developments in 2013 added or to be added to the Premium Edition
• Corrosion Data
• Joints Module
• New Advanced Search
• New Metallography Images
• New Heat Treatment Diagrams
• SS Curve Strain Rate Dependency
• Formability Diagrams
• Statistical Fatigue
• Extended Range Property Search
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How to Activate KTM Premium Edition?
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• Step 1: Go to the page for HPWA partner download
http://www.hyperworksalliance.com/PartnersSolution.as
px?partner_id=32&sol_id=41, login with your HWPA ID
and download the application
• Step 2: Install the downloaded application onto your
computer
• Step 3: Run the application using the desktop shortcut,
and on the first access, click on ”Register“ and fill in the
form
• Step 4: You will receive your login data and then you
can login to the KEY to METALS Database
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Step 1: Download
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Step 2: Install
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Step 3: Launch and Register (First Time Only)
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Step 3: Launch and Register (First Time Only)
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Step 4: Log in and Use the Database
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Existing Standard Edition Users
39 Key to Metals - The World’s Most Comprehensive METALS Properties Databases
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Is KEY to METALS a 100% solution?
• No, and it will never be
• BUT, it is the closest you can get – the world’s
most comprehensive information resource
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Altair survey Q2-4: 50-68% responded as very satisfied