Mts Fracture Template User Manual

MTS TestSuiteFracture Templates User Guide100-256-573 F be certain.

• Write down any specific instructions.After you callMTS logs and tracks all calls to ensure that you receive assistance for your problem or request.

PrefaceBefore You BeginSafety first!Before you use your MTS product or system, read and understand the safety information provided withyour system. Im

Warning:Warning notices indicate the presence of a hazard with a medium level of risk which, if ignored,can result in death, severe personal injury, o

Electronic manual conventionsThis manual is available as an electronic document in the Portable Document File (PDF) format. It can beviewed on any com

OverviewTopics:•Template Overview...

Template OverviewTemplatesTemplates eliminate the need to re-create existing information and provide an easy way to run standardtests. Test templates

Note: Do not rename, move, or change the contents of the Projects or Templates folders outsideof the MTS TestSuite applications. To rename an open pro

KIC Fracture Toughness TemplatesDescriptionTemplateThis template complies with ASTM Standard E399 and is designed to determine the plane-strainfractur

• High-Cycle Fatigue (HCF)• J-Integral Characterization of Fracture Toughness (JIC)• Linear Elastic Plane-Strain Fracture Toughness of Metallic Materi

©2014 MTS Systems Corporation. All rights reserved.Trademark InformationMTS is a registered trademark of MTS Systems Corporation within the United Sta

DescriptionItemShow the name of the file you select to import, such as FCG_archiverd.FCG.FilesImport Legacy Data ProcedureTo import legacy data:1. Cli

Test SetupTopics:•Open the Controller Station...

Open the Controller StationTo open the controller station:1. Start the Station Manager application.2. In the Open Station window, select a a configura

Enable Manual ControlTo enable manual control of the Station Manager controller:1. On the Station Manager Station Controls toolbar, click Manual Comma

Warning:Actuator movement can occur when you install a specimen.Unexpected actuator movement can result in personal injury, as your hands will be in a

Fatigue Crack Growth (FCG)TemplateTopics:•Set Up the Test...

Set Up the TestFatigue Crack Growth (FCG) Templates OverviewThere are two versions of Fatigue Crack Growth templates. Both templates comply with ASTM

The new test is automatically created and assigned a default name. You can change the name andenter comments about the new test by clicking the Edit b

DescriptionParameterSpecify the percentage of the measured loadrange used as the lower limit for linear leastPrecrack Lower LeastSquares Fit Percentag

Delta K Control Mode ParametersDelta K Control Mode ParametersDescriptionParameterSpecify the ratio of the minimum to maximumK applied to the specimen

Table of ContentsTechnical SupportHow to Get Technical Support...

Constant Load Control Mode ParametersConstant Load Control Mode ParamtersDescriptionParameterSpecify the ratio of the minimum to maximumload applied t

DescriptionParameterSpecify the cycle intervals written to diskduring the precrack activity.Store Every Nth PrecrackCycleSpecify the amount of crack l

DescriptionParameterSelect Yes to cause an interlock at the endof the test. This can shut down hydraulics, ifdesired.Shut Down Station at Endof TestAs

Calculate Load PLoad P ParametersDescriptionParameterSpecify the crack size value to use in the loadcalculation.Crack SizeSpecify the stress intensity

Caution:Lower Setpoint/Span Times in the Series 793 Station Manager application can cause specimenor equipment damage.Decreasing the Setpoint/Span Tim

Crack Size Check ParametersDescriptionParameterSpecify the crack size used to calculate theelastic modulus. The default value is equalto the specimen

DescriptionParameterSpecify the load level at which the voltage ismeasured.Initial Crack LoadThis option allows testing without a referencespecimen.Us

To stop the activity, click Stop. When you stop the activity, the application immediately ramps to zeroload and saves the test data.4. To review the p

View Test ResultsAfter the test run completes, you can view the test results.1. In the Explorer panel, click the name of the test run.2. Click Results

You can add and change values by typing in the table cell. Click another row to activate the Refresh AllAnalysis Views button, and click the button. T

Assign Precrack Values...32Calculat

may occur if the number of valid points is less than the two times the polynomial fit number plus 1. Thenumber of valid points is used to calculate th

• From either the Fatigue Analyzer or Fracture Analyzer application, click File > Open Test and selectthe test that you want to analyze.• Open the

JIC Fracture Toughness TemplateTopics:•Set Up the Test...

Set Up the TestJIC Fracture Toughness TemplateThe MTS ASTM E 1820 JIC template complies with ASTM E-1820-08 for determining the fracture toughness(JIC

a) Click New Test Run button.b) Select a specimen from the Select a Specimen window and then click OK.To create a new specimen click Add a new item.c)

DescriptionParameterSpecify the percentage of the measured loadrange used as the upper limit for linear leastPrecrack Upper LeastSquares Fit Percentag

DescriptionParameterSpecify the length of time to hold at constantCOD or Displacement in the hold crackJIC Crack Propagation HoldTimepropagation activ

DescriptionParameterSpecify the rate at which the system reloadsthe specimen to the load value at theJIC Reload Ratebeginning of the first unload segm

DescriptionParameterSpecify the length of time to hold at constantCOD or Displacement in the hold crackJIC Crack Propagation HoldTimepropagation activ

Analyze the Test Runs...59KIC Fra

DescriptionParameterSpecify the rate at which the system reloadsthe specimen to the load value at theJIC Reload Ratebeginning of the first unload segm

DescriptionParameterbut will only store data when the crack growsby a significant amount, such as 0.05 mm.Specify the lower load limit for linear leas

Precrack ParametersDescriptionParameterSpecify the number of precrack cyclescompleted.Precrack CyclesCompletedSpecify the final crack size calculated

Calculate Stress Intensity KStress Intensity K ParametersDescriptionParameterSpecify the crack size value to use in thestress intensity (K) calculatio

Turn On Hydraulic PowerUse the control panel to apply hydraulic power.1. If the Interlock indicator is on, click Reset to release system interlocks.If

DescriptionParameterSpecify the time to ramp to the target load.Ramp Time1. Click Measure Crack Size.2. Click Run on the control panel to start the cr

5. Typically, the activity stops when a desired test termination parameter is achieved. In this case, reviewthe activity end result, and then click Cl

Caution:Lower Setpoint/Span Times in the Series 793 Station Manager application can causespecimen or equipment damage.Decreasing the Setpoint/Span Tim

Analyze DataJIC Fracture Toughness Analysis DefinitionThe template is preconfigured with an analysis definition that conforms to the analysis portion

• Complete Displacement Data• Complete JIC Step ArrayChartsThe charts provide visual indicators of the data reported in the tables.• The Crack Sizes v

Setpoint/Span Times for Delta-K Control...81Turn On Hydraulic P

KIC Fracture Toughness TemplateTopics:•Set Up the Test...

Set Up the TestKIC TemplateThe MTS ASTM E 399 KIC template complies with ASTM E 399 for determining the fracture toughness(KIC) value of materials.The

a) Click New Test Run button.b) Select a specimen from the Select a Specimen window and then click OK.To create a new specimen click Add a new item.c)

DescriptionParameterSpecify the percentage of the measured loadrange used as the upper limit for linear leastPrecrack Upper LeastSquares Fit Percentag

DescriptionParameterTypically, operators will not store every cycle,but will only store data when the crack growsby a significant amount, such as 0.05

Precrack ParametersDescriptionParameterSpecify the number of precrack cyclescompleted.Precrack CyclesCompletedSpecify the final crack size calculated

Calculate Stress Intensity KStress Intensity K ParametersDescriptionParameterSpecify the crack size value to use in thestress intensity (K) calculatio

Turn On Hydraulic PowerUse the control panel to apply hydraulic power.1. If the Interlock indicator is on, click Reset to release system interlocks.If

DescriptionParameterSpecify the time to ramp to the target load.Ramp Time1. Click Measure Crack Size.2. Click Run on the control panel to start the cr

Technical SupportHow to Get Technical SupportStart with your manualsThe manuals supplied by MTS provide most of the information you need to use and ma

Enter Measured Crack SizesThe software automatically enters the crack sizes from the end of the precrack activity and the crack sizesfrom the end of t

2. Click Results.3. Click on the different tabs to view different types of results.Fracture Test ResultsThe Test Results show the following informatio

Validity Results TableThe Validity Results table includes the Display Name, Value, Modified Indicator, Original Value, andCalculation. The Display Nam

• From either the Fatigue Analyzer or Fracture Analyzer application, click File > Open Test and selectthe test that you want to analyze.• Open the

Run the CTOD Fracture ToughnessTestTopics:•Set Up the Test...

Set Up the TestCTOD Fracture Toughness TemplateThe MTS ASTM E1290 CTOD template complies with ASTM E 1290 - 07 for determining the fracturetoughness v

a) Click New Test Run button.b) Select a specimen from the Select a Specimen window and then click OK.To create a new specimen click Add a new item.c)

DescriptionParameterSpecify the percentage of the measured loadrange used as the upper limit for linear leastPrecrack Upper LeastSquares Fit Percentag

DescriptionParameterSpecify the amount of crack length changethat will cause data to be stored to disk.Crack Size Change StoreTypically, operators wil

When you have more than one MTS system, the system job number identifies your system. You can findyour job number in your order paperwork.Example syst

Assign Precrack ValuesSpecify these parameters if the specimen was precracked on another load frame. When the precrackparameters are specified here, y

DescriptionParameterSpecify the stress intensity (K) value to usein the load calculation.Stress Intensity KCalculate Stress Intensity KStress Intensit

Caution:Lower Setpoint/Span Times in the Series 793 Station Manager application can cause specimenor equipment damage.Decreasing the Setpoint/Span Tim

Crack Size Check ParametersDescriptionParameterSpecify the crack size used to calculate theelastic modulus. The default value is equalto the specimen

3. Click Run on the control panel to start the test activity. Optionally, if you want to review or changeparameters, click Return to Main Menu.To susp

DescriptionParameterSpecify the desired end level of the commandsignal.FCG End Level 1Specify the cycle frequency of the commandsignal.FCG FrequencySp

3. In the Series 793 Station Manager application, set the Tools > Channel Options > Command Options> Setpoint/Span Times back to their previo

Analyze DataCTOD Analysis DefinitionThe template is preconfigured with an analysis definition that conforms to the analysis portion of the ASTMstandar

Channels by Time TableThe Channels by Time table lists all data points collected in arrays:• Time Array• Load Array• CTOD Array• Displacement ArrayCha

IndexAassign precrack values 32, 51, 65, 80ASTME 1290 - 07 18E 1820 JIC 17E 399 62E 399 KIC 18E 647 Fatigue Crack Growth Compliance template 17E 647 F

— Messaging applicationsIf You Contact MTS by PhoneA Call Center agent registers your call before connecting you with a technical support specialist.

precrack specimen 36, 55, 69, 83Rrun FCG test 36SSE(B) specimen 22setpoint 33, 53, 67, 81span 33, 53, 67, 81specimenprecrack 36, 55, 69, 83specimen ge

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