Method for manufacturing a test bar

Details Method for manufacturing a test bar Method for manufacturing a test bar

2005-03-30

2009-06-09

Chang, Rick K (Department: 3726)

Metal working

Method of mechanical manufacture

Impeller making

C073S826000

Reexamination Certificate

active

07543378

ABSTRACT:
nethod for manufacturing a test bar from a turbo-machinery component, test bar made in accordance with the method, and turbo-machinery component associated with the method. A component section is obtained from the turbo-machinery component, wherein the component section includes a component portion, and wherein the component portion has a substantially rectangular cross section and has a width. First and second semi-circular cylinders are obtained having a diameter substantially equal to the width of the component portion. The component section is disposed between, and in contact with, the first and second semi-circular cylinders defining a component-section-cylinder assembly having first and second assembly ends. First and second end extensions are obtained. The first end extension is inertia welded to the first assembly end and the second end extension is inertia welded to the second assembly end defining a test-bar stock. The test-bar stock is machined creating the test bar.

REFERENCES:
patent: 4606230 (1986-08-01), Scott et al.
patent: 4895750 (1990-01-01), Pratt

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