CLUB HEADS WITH BOUNDED FACE TO BODY YIELD STRENGTH RATIO AND RELATED METHODS
Some embodiments include a club head with a bounded face to body yield strength ratio. Other embodiments of related club heads and methods are also disclosed.
1 ) A golf club head comprising:
a face portion comprising a first material having a first yield strength, the first yield strength being greater than or equal to approximately 910 MegaPascals; and
a support body comprising a second material having a second yield strength, the support body being configured to be coupled to the face portion;
wherein:
a yield strength ratio of the second yield strength to the first yield strength is greater than or equal to approximately 0.50.
2 ) The golf club head of claim 1 wherein:
the yield strength ratio is greater than or equal to approximately 0.63.
3 ) The golf club head of claim 1 wherein:
the first yield strength is greater than or equal to approximately 1378 MegaPascals.
4 ) The golf club head of claim 3 wherein:
the yield strength ratio is greater than or equal to approximately 0.63.
5 ) The golf club head of claim 1 wherein:
the first yield strength is greater than or equal to approximately 1655 MegaPascals.
6 ) The golf club head of claim 1 wherein:
the first yield strength is greater than or equal to approximately 1720 MegaPascals.
7 ) The golf club head of claim 6 wherein:
the yield strength ratio is greater than or equal to approximately 0.63.
8 ) The golf club head of claim 1 wherein:
the face portion consists essentially of the first material.
9 ) The golf club head of claim 1 wherein:
the support body comprises a crown support body;
the golf club head comprises a crown, and the crown comprises the crown support body; and
the crown support body consists essentially of the second material.
10 ) The golf club head of claim 1 wherein:
the support body comprises a sole support body;
the golf club head comprises a sole, and the sole comprises the sole support body; and
the sole support body consists essentially of the second material.
11 ) The golf club head of claim 1 wherein:
the face portion comprises a face insert;
the golf club head comprises a face comprising the face insert; and
the face insert comprises a face insert front surface, a face insert rear surface opposite the face insert front surface, and a face insert perimeter edge.
12 ) The golf club head of claim 1 wherein:
the face portion comprises at least one of a crown face portion or a sole face portion;
the golf club head comprises a crown and a sole;
when the face portion comprises the crown face portion, the crown comprises the crown face portion; and
when the face portion comprises the sole face portion, the sole comprises the sole face portion.
13 ) The golf club head of claim 1 wherein at least one of:
the first material comprises one of iron or titanium;
the second material comprises one of iron or titanium; or the face portion comprises a face center, and a thickness of the face portion at the face center is less than or equal to approximately 0.2540 centimeters.
14 ) The golf club head of claim 13 wherein:
the thickness of the face portion at the face center is less than or equal to approximately 0.1905 centimeters.
15 ) The golf club head of claim 1 wherein:
the golf club head comprises a wood-type golf club head.
16 ) A method of manufacturing a golf club head, the method comprising:
providing a face portion comprising a first material having a first yield strength, the first yield strength being greater than or equal to approximately 1378 MegaPascals; and
providing a support body comprising a second material having a second yield strength, the support body being configured to be coupled to the face portion;
wherein:
a yield strength ratio of the second yield strength to the first yield strength is greater than or equal to approximately 0.50.
17 ) The method of claim 16 wherein at least one of:
the yield strength ratio is greater than or equal to approximately 0.63; or
the first yield strength is greater than or equal to approximately 1720 MegaPascals.
18 ) The method of claim 16 further comprising:
coupling the face portion to the support body.
19 ) The method of claim 18 wherein:
coupling the face portion to the support body comprises welding the face portion to the support body.
20 ) The method of claim 16 wherein:
providing the face portion comprises providing a face insert having a face insert perimeter edge with an elliptical shape.
21 ) A golf club head comprising:
a face portion comprising a first material having a first yield strength, the first yield strength being greater than or equal to approximately 1378 MegaPascals; and
a support body comprising a second material having a second yield strength, the support body being coupled to the face portion;
wherein:
a yield strength ratio of the second yield strength to the first yield strength is greater than or equal to approximately 0.50;
the support body comprises a support shell; and
the golf club head comprises a wood-type golf club head.
22 ) The method of claim 21 wherein at least one of:
the yield strength ratio is greater than or equal to approximately 0.63; or
the first yield strength is greater than or equal to approximately 1720 MegaPascals.