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Welcome to The J. Mike Walker '66 Department of Mechanical Engineering at Texas A&M University!
Learn more about the analysis equipment available in the J. Mike Walker '66 Department of Mechanical Engineering. Equipment manuals are available upon request.

Equipment Details

Differential Scanning Calorimeter - DSC Q1000 (JCAIN 308) (Currently out of service)

The Differential Scanning Calorimeter measures the temperature and heat flow caused by material transitions as a function of time and temperature, while in conjunction, providing qualitative and quantitative data on the exothermic and endothermic processes of materials during physical transitions. The DSC Q1000 includes a 50-position intelligent autosampler, digital mass flow controllers, and a refrigeration cooling system for higher temperature experiments.

Specifications:

  • Tzero™ Technology: Advanced
  • MDSC®: Advanced
  • Touch Screen: Included
  • User Replaceable Cell: Yes
  • Digital Mass Flow Control: Included
  • 50 Position Autosampler: Included
  • Auto Lid: Included
  • Temperature Accuracy: ± 0.1 ˚C
  • Temperature Precision: ± 0.05 ˚C
  • Temperature Range (with refrigeration cooling system): -180 to 725 ˚C
  • Calorimetric Precision (based on metal standards): ± 1 %
  • Sensitivity: 0.2 µW
  • Baseline Curvature with Tzero (-50 to 300˚C): 10 µW
  • Baseline Reproducibility with Tzero: 10 µW
  • Relative Resolution: 2.9

Instron Tensile Compression Yield Tester

Instron Tensile Compression Yield Tester (JCAIN 308)

The Series 4400 control system is made up of two major subsystems: a crosshead drive and control system, that applies tensile or compressive loading to a specimen; and a highly sensitive load weighing system, that measures the loading of a specimen. Figure 1-1 is a functional block diagram showing the interfacing of these two systems, and the signal flow within the overall instrument. During a test, results occur as tracked (instantaneous) values of load, extension and strain or, after a test, as stored break and peak values of these parameters. Total energy and load and energy values at preset points are also available as stored parameters. Several choices of analog and digital output devices are available as options for viewing and recording test results. The control console provides control, data acquisition and data readout functions for the load frame. All operations are directed by a microprocessor-based central processing unit (CPU). The crosshead control network allows programmable crosshead speeds and provides digital control of the crosshead position. The operating mode of the console data entry and readout functions can be in English, metric or SI units, as selected by a switch. A status indicator on the main panel shows the system of units selected. The action of the moving crosshead during a test - stop, return, or cycle - can be controlled manually by pushbutton switches, or automatically by the functions provided by the Limits feature. These functions may be based on the applied load, extension or strain, or to a detected specimen break

Specifications:

  • Load Weighing Accuracy ±0.01% of full scale or ±0.5% of reading (whichever is greater) ±1 count on the load display Strain Measurement Accuracy ±0.05% of full scale or ±0.5% of reading (whichever is greater) ±1 count on the strain display

High-Performance Liquid Chromatography (HPLC) (JCAIN 321)

The Shimadzu LC-2030C system equipped with a UV/Vis detector is highly reliable for separation and quantification of organic chemicals in water. The employment of an autosampler makes it easy to be operated. Purification columns currently available include TSKgel ODS-80Ts (2x250 mm, 5 µm), Restek 558389 (4.6x50 mm, 3 µm), and Kinetex Core-shell C18 (3x50 mm, 2.6 µm). It is located at JCAIN 321.

Specifications:

View the specifications for the Shimadzu LC-2030C system.

Data samples from the High-Performance Liquid Chromatography system.
Data samples from the High-Performance Liquid Chromatography system.



MicroClimate Environment Chamber (JCAIN 308)

MicroClimate chambers operate at a wide range of temperature and/or humidity conditions. You may program for temperature cycling tests or maintain steady-state temperature environments.

Specifications:

  • Temperature Range: -73 °C (-100 °F) to +190 °C (+375 °F)
  • Humidity Range: 10 % to 95 % RH
  • Control Stability: ±0.5 °C from -50 °C to +190 °C, ±1 °C below -50 °C, at steady-state conditions after stabilization.
  • Temperature performance: Temperature pulldown from +24 °C (+75 °F) to:-40 °C(-40 °F) in 22 minutes-54 °C(-65 ° F) in 32 minutes-68 °C(-90 ° F) in 48 minutes
  • Temperature heat-up from:+24 °C (+75 °F) to +94 °C (+200 °F) in 6 minutes+24 °C (+75 °F) to +190 °C (+375 °F) in 18 minutes-34 °C (-30 °F) to +24 °C (+75 °F) in 7 minutes-65 °C (-90 °F) to +24 °C (+75 °F) in 8 minutes
  • Live load capacity: 350 watts at -40 °C (-40 °F)250 watts at -54 °C (-65 °F)
  • Interior dimensions: 17" wide × 17" deep × 18" high(43.2 cm wide × 43.2 cm deep × 45.7 cm high)

Simultaneous Thermal Analyzer — Q600 SDT (JCAIN 308)

The Q600 SDT is designed to measure the instantaneous weight and differential heat flow in the same sample simultaneously at temperatures ranging from ambient to 1500 °C.

Specifications:

  • System Design: Horizontal Balance & Furnace 
  • Balance Design: Dual Beam (growth compensated) 
  • Sample Capacity: 200 mg (350 mg including sample holder) 
  • Balance Sensitivity: 0.1 μg 
  • Furnace Type: Bifilar Wound Temperature Range: Ambient to 1500 ˚C Heating Rate – Ambient to 1000 ˚C: 0.1 to 100 ˚C/min Heating Rate – Ambient to 1500 ˚C: 0.1 to 25 ˚C/min 
  • Furnace Cooling: Forced Air (1500 to 50 ˚C in < 30 min, 1000 ˚C in 50 ˚C in < 20 min) 
  • Thermocouples: Platinum/Platinum-Rhodium (Type R) 
  • Temperature Calibration: Curie Point or Metal Standards (1 to 5 Points) 
  • DTA Sensitivity: 0.001 ˚C Calorimetric Accuracy/Precision: ± 2% (based on metal standards) Mass Flow Controller with Automatic Gas Switching: Included Vacuum to 7 Pa (0.05 torr) 
  • Reactive Gas Capability: Included – separate gas tube
  • Dual Sample TGA: Included 
  • Auto-Stepwise TGA: Included 
  • Sample Pans: Platinum: 40 μL, 110 μL, Alumina: 40 μL, 90 μL

Total Organic Carbon (TOC) Analyzer (JCAIN 321)

The Shimadzu TOC-VWP analyzer is a newly designed wet oxidation instrument with enhanced sensitivity and accuracy. Powerful oxidation of water samples is achieved through a combination of peroxosulfuric acid, UV illumination, and heating. Total carbon (TC), Inorganic carbon (IC), Total organic carbon (TOC), and Non-purgeable organic carbon (NPOC) in water can be measured. It is located at JCAIN 321.

Specifications:

Learn more about the specifications for the Shimadzu TOC-VWP analyzer.


Wilson Rockwell 2000 Hardness Testing Machine

Wilson Rockwell 2000 Harness Testing Machine (JCAIN 308)

The Wilson Rockwell 2000 Hardness Testing Machine is a tester that measures hardness values with different hardness scales.

Specifications:

  • Pre-load: 10kgf
  • Main-load: 60, 100, 150kgf
  • Hardness scales: HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV, 15Y
  • Test load type: Electronic closed-loop loadcell
  • Test cycle type: Automatic, one-button start
  • Vertical test capacity: 2002 models 10in [254mm] and 2003 models 14in [356mm]
  • Horizontal test capacity: 8.5in [216mm]
  • Indenters (optional): 120° Diamond cone, 1/16in, 1/8in, 1/4in, 1/2in
  • Resolution: 0.1 or 0.01 HR (adjustable)
  • Data-out: RS232
  • Standard Compliant: ASTM E18, B254, ISO 6508, JIS Z2245
  • Power: 100, 120, 220, or 240V AC +/- 10%, 47-63Hz

Wilson TUKON 1102 Micro Hardness Tester

Wilson TUKON 1102 Micro-Hardness Tester (JCAIN 308)

The Wilson TUKON 1102 Micro-hardness Tester is used for Vickers or Knoop hardness testing by calculating hardness values from measurements of the diagonal lengths of indentations.

Specifications:

  • Hardness scales: HV, HK
  • Main-load: 10gf-1kgf (2kgf optional)
  • Test cycle type: Motorized dead weight
  • Vertical test capacity: 4.1in [130mm]/with XY-stage 3.7in [95mm]
  • Horizontal test capacity: 5.1in [130mm]
  • Objectives: 10x and 50x Regular
  • Total magnification: 100x, 500x
  • Indenters: 1 indenter position, select vickers or knoop
  • Data-out: USB and RS232
  • User interface: Multilanguage 4.7in LCD touchscreen
  • XY-stage options: Manual 100x 100mm stage, 25x25mm travel motorized stage 100x 100mm travel (with PC software only)
  • Camera software: Options available from basic camera kit to full automatic system. Contact your local Buehler representative for more information
  • Standards compliant: ISO 6507, ASTM E384
  • Power: 100-240V AC, 60/50Hz