Salient Characteristics.doc

Salient Characteristics

Commercial Availability Certification:

I have evaluated the commercial marketplace and determined that all of the salient characteristics documented below are available in products/services offered in the commercial marketplace.

Signature (typed name): Nikhil Murthy Technical Point of Contact (TPOC)

The contractor shall provide the parts and modules for two (2) tribometer systems. The modules shall be interchangeable between the two (2) tribometers. The contractor shall provide the modules in the quantities specified below. The contractor shall meet the requirements for each module as specified below:

· Main Tribometer Frames:

· The contractor shall provide two (2) main tribometer frames meeting the following requirements:

· The tribometer shall have an open frame design allowing for:

· Hand access to the specimen mounts and fasteners.

· Hand access to modules, component, drives, cables and other items needed to change the operating mode of the tribometer.

· Integration of additional observation equipment such as objective lenses, acoustic emission sensors, other surface mounted or non-contact sensors (Not a firm requirement, but strongly preferred).

· The tribometer, fully assembled with add-ons and modules shall be able to fit within a space (LxWxH) of 30 inches x 36 inches x 36 inches.

· Force measurement and application:

· The contractor shall provide two (2) load modules for medium load applications as specified below:

· The load head shall be able to apply a normal force (load) to the specimen that is continuously variable in the range of 0 to 200 Newtons (N).

· The load head shall be capable of measuring the friction force (perpendicular to the normal force) of at least 200 N with maximum nonlinearity of 1% full scale of the calibrated range.

· The load head shall be capable of measuring a normal force of at least 200 N with maximum nonlinearity of 1% full scale of the calibrated range.

· The contractor shall provide one (1) load module for high load applications as specified below:

· The load head shall be able to apply a normal force (load) to the specimen that is continuously variable in the range of 2 to 2000 Newtons (N).

· The load head shall be capable of measuring the friction force (perpendicular to the normal force) of at least 2000 N with maximum nonlinearity of 1% full scale of the calibrated range.

· The load head shall be capable of measuring a normal force of at least 2000 N with maximum nonlinearity of 1% full scale of the calibrated range.

· The contractor shall provide two (2) piezo-electric force transducer modules capable of measuring the friction force (perpendicular to the normal force) in reciprocating contact of at least 40 N with with maximum nonlinearity of 1% full scale of the calibrated range.

· Specimen Mounts

· The contractor shall supply specimen mount modules for at least one (1) tribometer capable of mounting the following geometries:

· Cylindrical ring specimens with diameter of 1 to 2 inch (in) and contact surface width of 0.1 to 0.5 in for pin-on-ring module.

· Segments of cylinder liner and piston ring for piston ring-on cylinder module.

· The contractor shall supply specimen mount modules for both of the two (2) tribometers capable of mounting the specimens of the following geometries:

· Pin mounts for 0.25 inch (in), 6 millimeter (mm), and 10 mm diameter ball specimens for reciprocating pin-on-flat, rotary pin-on-disk, and pin-on-ring modules.

· Cylindrical pin specimens (for line contact with flat) at approx. a length of 0.5 in and diameter of 0.25 in. for reciprocating pin-on-flat, rotary pin-on-disk, and pin-on-ring modules.

· Flat block pin specimen (for conformal contacts with the opposing flat specimen) for reciprocating pin-on-flat, rotary pin-on-disk, and pin-on-ring modules.

· Flat specimens for reciprocating pin-on-flat modules as specified below:

· Height between 0.1 to 0.3 in (approx. 2.5 to 7.5 mm) and Length x Width up to at least 1.4 in x 1.4 in (35.6 mm x 35.6 mm).

· Flat specimens of 0.20 in. thickness and 1.0 in. diameter (cylindrical flats).

· Disk specimens at least 2.5 in in diameter for rotary pin-on-disk modules.

· Specimens for reciprocating pin-on-twin testing where a cylindrical specimen (pin) comes in contact with a pair of cylindrical specimen (twin). The two twin specimens shall be oriented parallel to eachother and direction of sliding and perpendicular to the pin specimen.The cylindrical specimens (both pin and twin) shall be 9.5 mm in diameter and a length of at least 15 mm.

· The contractor shall provide mounts and tips for scratch testing.

· Reciprocating pin-on-flat with lubrication

· The contractor shall supply two (2) modules for performing reciprocating pin-on-flat experiments with lubricant that meet the following requirements:

· The stroke length shall be adjustable up to 0 to 1 in (25 mm) with the ability to achieve stroke lengths of 1, 2.5, 5, 10, 16, 20, and 25 mm.

· The reciprocating frequency shall be be adjustable from 2 to at least 50 Hertz (Hz).

· There shall be a liquid bath which is compatible with oil, fuel and water.

· The chamber shall be able to maintain a temperature of at least 200 Celsius (˚C).

· The tribometer shall include horizontal position detector of the relative pin/flat displacement with a range of at least 0 to 25 mm and at least 25 micrometers (µm) resolution.

· Rotary pin-on-disk with lubricants

· The contractor shall supply one (1) module for performing rotary pin-on-disk experiments with lubricant, where a non-rotating pin specimen comes into contact with the flat face of a rotating cylindrical specimen, that meet the following requirements:

· The tribometer shall allow for rotation speeds between 50 and at least 2000 revolutions per minute (RPM).

· There shall be a liquid bath which is compatible with oil, fuel and water.

· The chamber shall be able to maintain a temperature of at least 200 Celsius (˚C).

· Rotary pin-on-disk at high temperature

· The contractor shall supply one (1) module for performing rotary pin-on-disk experiments at high temperature, where a non-rotating pin specimen comes into contact with the flat face of a rotating cylindrical specimen, that meet the following requirements:

· The tribometer shall allow for rotation speeds between 50 and at least 600 revolutions per minute (RPM).

· The chamber shall be able to maintain a temperature of at least 1000 Celsius (˚C).

· Pin-on-ring with lubricant

· The contractor shall supply one (1) module for performing pin-on-ring experiments with lubricant where a stationary pin is in contact with the outer circumference of a rotating ring, that meet the following requirements:

· The tribometer shall allow for rotational speeds up to at least 1000 rpm.

· There shall be a liquid bath which is compatible with oil, fuel and water.

· High frequency reciprocating pin-on-flat with lubrication

· The contractor shall supply one (1) modules for performing high frequency reciprocating pin-on-flat experiments with lubricant that meet the following requirements:

· The stroke length shall be adjustable up to at least 4 milimeters (mm).

· The reciprocating frequency shall be be adjustable from 0.1 to at least 300 Hertz (Hz).

· There shall be a liquid bath which is compatible with oil, fuel and water.

· The chamber shall be able to maintain a temperature of at least 200 Celsius (˚C).

· The tribometer shall include horizontal position detector of the relative pin/flat displacement with a range of at least 0 to 4 mm and at least 5 µm resolution.

· High frequency reciprocating pin-on-flat at high temperatures

· The contractor shall supply one (1) modules for performing high frequency reciprocating pin-on-flat experiments at high temperature that meet the following requirements:

· The stroke length shall be adjustable up to 0.01 to 4 milimeters (mm) with a resolution 5 micrometers (µm).

· The reciprocating frequency shall be be adjustable from 2 to at least 50 Hertz (Hz).

· The chamber shall be able to maintain a temperature of at least 1000 Celsius (˚C).

· The tribometer shall include horizontal position detector of the relative pin/flat displacement with a range of at least 0 to 4 mm and at least 25 µm resolution.

· Piston Ring-on-cylinder

· The contractor shall supply one (1) modules for performing reciprocating piston ring-on-cylinder experiments with lubricant that meet the following requirements:

· The stroke length shall be adjustable up to 0.01 to 4 milimeters (mm) with a resolution 5 micrometers (µm).

· The reciprocating frequency shall be be adjustable from 0.1 to at least 300 Hertz (Hz).

· There shall be a liquid bath which is compatible with oil, fuel and water.

· The chamber shall be able to maintain a temperature of at least 200 Celsius (˚C).

· Hot Hardness

· The contractor shall provide one (1) module for performing hot hardness experimens with temperature up to at least 1000 Celsius (˚C).

· Chromatic Confocal Profiler

· The contractor shall include two (2) chromatic confocal surface profilers that meet the following requirements:

· The vertical (z-axis) resolution of the profiler shall be 0.1 micrometers (µm) or better.

· The lateral resolution of the profiler shall be 5 µm or better.

· Optical imaging system

· The contractor shall include two (2) systems for taking digital color optical images that meet the following requirements:

· The imaging system shall include camera resolution at least 4 megapixels.

· The imaging system shall include optical lens with magnifications of 4x, 10x, 40x.

· Electrical Contact Resistance Sensor

· The contractor shall include two (2) sensors for measuring electrical contact resistance in the contact.

· Environmental Enclosures

· The contractor shall provide two (2) environmental enclosures (one for each tribometer) meeting the following requirements:

· The environmental enclosure shall allow for introduction of an inert gas of an overpressure of at least 500 Pascal (Pa).

· The environmental enclosure shall be hermetically sealed to prevent escape of the enclosed gas.

· The enclosure shall be able to fit within a space (LxWxH) of 30 inches x 36 inches x 36 inches.

· Peristaltic Pump

· The contractor shall include two (2) peristaltic lubricant pumps capable of at least speeds of at least 50 RPM shall be included with the tribometer.

· Load Calibration Kit

· The contractor shall include one (1) load calibration kit shall be provided.

· Data acquisition hardware and software

· The contractor shall provide a data acquisition (DAQ) system for each tribometer for a total of two (2) meeting the following requirements:

· The instrument shall allow for continuous data acquisition and logging at an adjustable rate up to at least 1 kilohertz (kHz) for friction, applied load, speed/frequency, temperature, electrical contact potential.

· The instrument shall have at least two (2) thermocouple channels with the option of adding more in the future.

· The tribometer shall allow for burst aquisitions of data for friction and stroke/horizontal position with the following properties:

· A data acquisition rate of at least 25 kilohertz (kHz) shall be possible during the burst aquisiton.

· A period of at least two (2) seconds shall be possible for each burst aquisition.

· The minimum interval between the start of two (2) subsequent bursts shall be two (2) seconds or shorter.

· The tribometer shall include at least one (1) trigger channel for high-speed data synchronization with an external device.

· The tribometer shall include at least two (2) additional analog input channels for simultaneous recording of a voltage from an external device.

· The contractor shall provide two (2) computers with any software required for operation of the tribometer.

· The computer shall come with Windows 10 operating system.

· The software shall be Windows 10 compatible

· The software shall record data for the load cells (latereral and vertical), position, friction, temperature, and any other sensors data being acquired.

· Recorded data shall be able to be exported to an open, non-proprietary file type (e.g. csv, txt)

· Installation and Training

· The contractor shall visit the end-user facility in Aberdeen Proving Ground, MD to install the instrument and provide the users with at least two (2) days of training.

· Warranty

· The contractor shall provide at least a two (2) year (24 month) warranty for all equipment and software.

Access and general protection/security policy and procedures. This standard language is for contractor employees with an area of performance within Army controlled installation, facility, or area. Contractor and all associated sub-contractors employees shall provide all information required for background checks to meet installation access requirements to be accomplished by installation Provost Marshal Office, Director of Emergency Services or Security Office. Contractor workforce must comply with all personal identity verification requirements (FAR clause 52.204-9, Personal Identity Verification of Contractor Personnel) as directed by DOD, HQDA and/or local policy. In addition to the changes otherwise authorized by the changes clause of this contract, should the Force Protection Condition (FPCON) at any individual facility or installation change, the Government may require changes in contractor security matters or processes.

For contractors that do not require CAC, but require access to a DoD facility or installation. Contractor and all associated sub-contractors employees shall comply with adjudication standards and procedures using the National Crime Information Center Interstate Identification Index (NCIC-III) and Terrorist Screening Database (TSDB) (Army Directive 2014-05/AR 190-13), applicable installation, facility and area commander installation/facility access and local security policies and procedures (provided by government representative), or, at OCONUS locations, in accordance with status of forces agreements and other theater regulations.

The table below is a summary of the parts requested above:

Contracting Officer:

Template last updated 07/28/2016