Rheology is the study of the flow and deformation of materials such as liquids, gels, gases, soft solids, polymers, muds, glass formers, and so on. Rheological characterization of materials provides an overall picture of the systems' elastic, viscous, and viscoelastic flow behavior. It helps in determining the relationship between applied force (stress) and material deformation (strain) under a variety of loading and environmental conditions. The rheometer is essential for investigating the rheology of materials. A rheometer is a device that measures the stress-strain relationship in materials in order to better understand their flow or deformation properties. There are two types of rheometers: controlled stress and controlled strain. The rheometer has been used to examine the properties of various materials using various measurement geometries (cone, plate, parallel plate, concentric cylinder, etc.). The geometries are chosen based on the materials as well as the desired results. Based on their response to applied stress, rheology allows us to classify materials as purely viscous, purely elastic, or viscoelastic.
The ARES-G2 is part of a theological system that includes a controller, TA instruments TRIOS software, and environmental units. The ARES-G2 rotational rheometer is the most advanced for research and material development. It is still the only commercially available rheometer with a dedicated actuator for deformation control, as well as a Torque Rebalance Transducer (TRT) and a Force Rebalance Transducer (FRT) for independent shear stress and normal stress measurements. The rheological community regards it as the industry standard against which all other rheometer measurements are measured for accuracy.
1. Viscous liquid, gel, polymers, plastic, rubber, paste, emulsions, etc.
2. Polymeric films or other materials films can be used for dielectric measurement.
3. Two-phase emulsions can be used for interfacial rheology.
Limitations:
1. Powder samples can not be used.
2. Hazardous materials are restricted to use.
3. Volatile materials are advised to use at a temperature lower than their volatility temperature.
4. The sample should not be sticky otherwise it will cling to the electrode or plate.
1. Registration process (One Time): New Registration for external users.User Verification: Upload photo of Front side and back side of valid Identity card issued by the organization (only .jpeg format, file Size less than 1 Mb, height less than 1000 pixels, width less than 800 pixels). Undertaking: Download the undertaking template ( Download Link ). Duly filled, signed and stamped form should be uploaded in .pdf format. Confirmation: An email will be sent to the user after verification of the documents.
2.Before planning to avail the Instrument facility of CRF IIT Delhi: user must visit https://crf.iitd.ac.in -> Facility -> select the desired facility from left side navigation list. Read carefully all the relevant information such as required sample type, testing charges and instrument location. Be prepared with details of the samples.
3.Log in and Click on Booking Appointment Tab: All the information relevant to testing must be filled in instrument booking form. In case user does not provide the required information the booking is liable to be rejected. User can upload the relevant existing data of their samples that might help in the measurements.
4.Sample submission & Payment Process: Once the application is submitted, the in-charge will verify the details and approve the request.External users must wait for the approval before making the payment and submitting the samples to concerned lab. After approval the payment should be made by the user. The payment transaction details need to be submitted online before appointment date time.
5.CRF Users can pay amount online using following details:
Beneficiary/Customer's Name: IRD ACCOUNT IITD
Bank Account Number: 10773572600
Bank Name: State Bank of India Branch Name: IIT Branch
Branch Code: 01077
NEFT IFSC CODE / RTGS: SBIN0001077
please write "CRF _Instrument Name" in the Remarks section while paying. Save the receipt file and upload in the crfbooking system online against your application.Payment can also made in form of demand draft in favour of " IRD ACCOUNT IITD " Payable at New Delhi.6.IIT Delhi
GST Number : 07AAATI0393L1ZI
PAN Number : AAATI0393L
1 Registration process (One Time): New Registration for internal users.
Fill in all the details in Personal Information, Supervisor Information and User Login Credentionals.
Once submitted, an email to supervisor is sent for activation of account. Once activated by supervisor, you can do the instrument bookings.
2 Before planning to avail the Instrument facility of CRF IIT Delhi: user must visit https://crf.iitd.ac.in > Facilities > select the desired facility from left side navigation list. Read ca 
refully all the relevant information such as required sample type, testing charges and instrument location. Be prepared with details of the samples.
3. Log in on CRF Booking System and Click on Booking Appointment Tab: All the information relevant to testing must be filled in instrument booking form. In case user does not provide the required information the booking is liable to be rejected. User can upload the relevant existing data of their samples that might help in the measurements.
4 Sample submission & Payment Process: Once the application is submitted, the in-charge will verify the details and approve the request.
