ҹء
ѺǪ 2
ͧ èṡСèѴǴͧѵ
ͧ
ͧ ҡ
ͧ õǨҡ
ͧ صˡ
ͧ ػó¢ͺࢵͧ
ͧ Ҫ㹻ѵʵ
ͧ ֡
ͧ ا෾ҹ
ͧ ɳҡ
ªͼ¹

ҹءѺǪ / / ͧ صˡ / мͧᴧ

мͧᴧ
мͧᴧ

ͧᴧ (copper base alloys) ѡ ѡѹҹ ͧͧ (brass) ͧķ ͡ҡͧͧᴧ-
Եѳҡͧͧ
Եѳҡͧͧ
ͧͧ

ͧͧ ҧͧᴧѺѧ ͧͧдѺ ҹҧŻ ͧͧҹ ҡԴ ö¡͡˭ ͧͧ ſ ͧͧſ-յ (alpha, alpha-beta brass)
ͧͧſ ͧͧǹͧͧҡ ͧͧ͹ ö ٻҧҧ ѺҪ ͧҧ

ͧͧſ Сͺͧҧ - ͧͧԴ Դá ǹǹСͺͧͧѡ

ķ

ķ Դ ҧͧ պء ķҧԴҨǹͧѧ С ķͧͧǹͧͧѡѹҡҹصˡ ķ͡ Դǹͧ

. ķպء ͹ҧ͹ մ СѺҹ

. ķպء ѧ С ķ -- ķǹͧպء ѧ С ͧ ͧٺ

. ķպء - Ҩѧ Сҧ ķԴ

. ķʿ .-. պء - ķԴѴ͹ͧ ֧ǹͧԹ Ѵ ͧ

. ķС - ҧԴҨ٧֧ ǹպء - ͧѺ (bearing)

. ķԴЦѧ ͧ§ ǹͧպء Сѧŧ

ͧ

ͧ ԡöѹ Դ֡͹͹ҧ öٻҧ Դªҡش Թѹ (German silver) Сͺ ͧ - ԡ - ѧ - ͹ ­һ ٻó

ҡ

ҡ ҧͧ ͧ ¹ٻó Ѵҡ š ѧҡͧط ͧٻó ͧ ͧѹš ҧҧͧ ͧѡ¡ͧͧҧԴ¤֧ѺԴ ҡ ǹҧͧ ͧҡҧѹԴͧҡ ҡҤ٧ͧ - ͹ҡҤ١ ѧѴء¡ա

ٻóҧ ͧҡ
ٻóҧ ͧҡ
Ǣ͡͹˹ ǢͶѴ