초록 ▼

An intermetallic article such as a gas turbine engine component and method of manufacture thereof includes a region having compressive residual stresses imparted by laser shock peening (LSP) extending into the article from a laser shock peened surface. One embodiment includes a turbine or compressor

An intermetallic article such as a gas turbine engine component and method of manufacture thereof includes a region having compressive residual stresses imparted by laser shock peening (LSP) extending into the article from a laser shock peened surface. One embodiment includes a turbine or compressor blade with an intermetallic airfoil having a leading edge and at least one laser shock peened surface extending radially along at least a portion of the leading edge with a region having compressive residual stresses imparted by laser shock peening (LSP) extending into the intermetallic airfoil from the laser shock peened surface.

대표청구항 ▼

An intermetallic article such as a gas turbine engine component and method of manufacture thereof includes a region having compressive residual stresses imparted by laser shock peening (LSP) extending into the article from a laser shock peened surface. One embodiment includes a turbine or compressor

An intermetallic article such as a gas turbine engine component and method of manufacture thereof includes a region having compressive residual stresses imparted by laser shock peening (LSP) extending into the article from a laser shock peened surface. One embodiment includes a turbine or compressor blade with an intermetallic airfoil having a leading edge and at least one laser shock peened surface extending radially along at least a portion of the leading edge with a region having compressive residual stresses imparted by laser shock peening (LSP) extending into the intermetallic airfoil from the laser shock peened surface. the rearward opening, such that the connector subassembly provides radially floating alignment of the ferrule. 2. The connector subassembly of claim 1, wherein the plug housing engaging surface is substantially conical and defines a circular cross-section decreasing radially in a direction axially towards the rearward opening. 3. The connector subassembly of claim 2, wherein the ferrule holder engaging surface is substantially conical. 4. The connector subassembly of claim 1, wherein the ferrule holder defines a radially extending stop portion disposed proximate the ferrule holder engaging surface, and wherein the plug housing inner surface defines a complimentary stop portion, the groove extending axially across at least a portion of the ferrule holder stop portion. 5. The connector subassembly of claim 1, wherein the key has a cross-section including a generally rounded tip. 6. The connector subassembly of claim 1, wherein the key has a cross-section including a substantially rectangular sloped tip. 7. The connector subassembly of claim 1, wherein the groove has a generally flared cross-section. 8. The connector subassembly of claim 6, wherein the groove has a generally v-shaped cross-section. 9. The connector subassembly of claim 1, wherein the plug housing includes at least two keys disposed circumferentially about the plug housing inner surface, and wherein the ferrule holder includes at least two grooves disposed about the ferrule holder engaging surface, each of the grooves slidably receiving a respective one of the keys. 10. The connector subassembly of claim 9, wherein the at least two keys are disposed nonsymmetrically circumferentially about the plug housing inner surface. 11. The connector subassembly of claim 1, wherein the plug housing engaging surface includes a plug housing planar aligning section and the ferrule holder engaging surface includes a ferrule holder planar aligning section, the plug housing planar aligning section and the ferrule holder planer aligning section being engageable with each other. 12. The connector subassembly of claim 11, wherein the plug housing engaging surface includes at least two planar aligning sections and the ferrule holder engaging surface includes at least two planar aligning sections, each plug housing engaging surface planar aligning section being engageable with a respective one of the ferrule holder engaging surface planar aligning sections. 13. The connector subassembly of claim 1, further including a compression spring element disposed within the plug housing for urging the ferrule holder in a direction axially toward the rearward opening. 14. The connector subassembly of claim 1, wherein the plug housing includes at least two keys disposed circumferentially about the plug housing inner surface, and wherein the ferrule holder includes at least two grooves disposed about the ferrule holder, each of the grooves slidably receiving a respective one of the keys. 15. The connector subassembly of claim 14, wherein the at least two keys are disposed nonsymmetrically circumferentially about the plug housing inner surface. 16. A connector subassembly providing a floating alignment of a ferrule adapted to receive an optical fiber, the connector subassembly comprising: a plug housing having an inner surface that defines a cavity extending axially and an engaging surface therein, the plug housing defining a forward opening in communication with the cavity for receiving the optical fiber and a rearward opening in communication with the cavity and through which the optical fiber and ferrule extend substantially axially, the engaging surface disposed proximate the rearward opening, the plug housing inner surface defining at least two plug housing orienting elements; and a ferrule holder configured to hold the ferrule and including a ferrule holder engaging surface engageable with the plug housing engaging surface, the ferrule holder engaging surface defining at least two plug ho