In partnership with:

India/DAE - BARC

Bhabha Atomic Research Centre Centre for Design and Manufacture

Status Update – Jan 28, 2021

SSR1 Tuner

• Production of Tuner has been completed

• Tuners are packed and is ready for shipment

• Process for shipping has been initiated; File currently with purchase department for

further processing

2

SSR2 Cavity

• Cavity Forming

– Quotation has been invited from vendors

– Opening of tenders by end of January

• Nb-Ti Weld

– Samples has been welded

– No indication of defects in RT

– Tensile Test was conducted on Sample 1

• Failure happened in Nb and not in Weld

• Tensile Strength:163.5 MPa

3

Back Side Front Side

Sample 1

4

Back Side Front Side

Sample 4

Sample 5

Back Side Front Side

Sample 6

Back Side Front Side

Sample 7

Back Side Front Side

HT—Heat Treatment at 650ᵒ C for 10 hours.

Test to be carried out on welds

Description Requirements Applicable Standard

Dimensional inspection Fit up and after welding dimensions -

Leak tightness of joint Full weld

For Discontinuities

Dye penetrant test Full weld

Radiography test Full weld

Metallurgical

Pictures by digital

microscopeBefore and after HT, 4 nos.

ASTM E3 for sample

preparation

Grain size Before and after HT, 4 nos. ASTM E 112

Energy-dispersive X-ray

spectroscopy

Ti diffusion into Nb-- Before and after HT, 4

nos.

Mechanical Tensile Test

Base metal, Nb3 nos. – Before HT

3 nos. – After HTASTM E8

Base metal, Ti-23 nos. – Before HT

3 nos.-- After HTASTM E8

Weld sample4 nos. – Before HT

4 nos.-- After HTASTM E8

• Sketch-1

Sketch-2

SSR1 and SSR2 Cryomodule

• CAD files for SSR2 and SSR1 Cryomodules were successfully downloaded

• Meetings need to be scheduled for discussing SSR2 Cryomodule Design

• Update on Nb and Ti Shipment to BARC

11

SSR2 Tuner

• Drawing are ready to be released for manufacturing

• Currently available version: F10119103 Rev - ; (CAD updated on Jun 03,2020)