ʻO ka hoʻomaʻamaʻa wela o nā hoʻolei ʻana i ka hao hao

ʻO nā ʻano hana hoʻomaʻamaʻa wela i hoʻohana pinepine ʻia no ka hoʻoheheʻe ʻana i ke kila kalapona: annealing, normalizing a normalizing + tempering. Hōʻike ʻia ka mana o kēia mau ʻano hana wela ʻekolu i nā waiwai mechanical o ke kila kalapona hoʻolei ʻia ma ke kiʻi ma lalo nei.

ʻO ka mahanahana a me ka paʻakikī o ka hoʻolei ʻana i ka hao kalapona
Papa o ka hao kalapona	Kaona / %	ʻO ka Mahana Hoʻopili / ℃	Manawa Paʻa		Hana Hooluu	Paʻakikī / HBW
			Mānoanoa Pā / mm	Manawa / h
ZG200 - 400	0.10 - 0.20	910 - 880	< 30	1	Hoʻomaʻalili i ka 620 ℃ i loko o nā kapuahi a laila hoʻomaha i ka lewa	115 - 143
ZG230 - 450	0.20 - 0.30	900 - 870				133 - 156
ZG270 - 500	0.30 - 0.40	890 - 860				143 - 187
ZG310 - 570	0.40 - 0.50	870 - 840	30 - 100	hoʻonui i 1 hola / 30 mm		156 - 127
ZG340 - 640	0.50 - 0.60	860 - 830				187 - 230

 

ʻOi aku ka kiʻekiʻe o nā ʻano mechanical o ke kila hoʻoheheʻe maʻamau ma mua o nā mea o ke kila annealed. E like me ka nui o ka undercooling i ka wā o ka hoʻololi ʻana o ka hale, ʻoi aku ka kiʻekiʻe o ka paʻakikī, a ʻoi aku ka maikaʻi o kāna ʻoki ʻana.

ʻO ka hana maʻamau a me ka paʻakikī o ka hoʻolei ʻana i ka hao hao
Papa o ka hao kalapona	ʻO ke kalapona (%)	Hoʻomaʻamaʻa maʻamau / ℃	Ka hoʻohaunaele		Paʻakikī / HBW
			Ka wela / ℃	Hana Hooluu
ZG200 - 400	0.10 - 0.20	930 - 890	540 - 610	i ka umu ahi a i ʻole ka ea	126 - 149
ZG230 - 450	0.20 - 0.30	930 - 890	540 - 610	i ka umu ahi a i ʻole ka ea	139 - 169
ZG270 - 500	0.30 - 0.40	890 - 860	550 - 620	i ka umu ahi a i ʻole ka ea	149 - 187
ZG310 - 570	0.40 - 0.50	890 - 850	550 - 650	i ka umu ahi a i ʻole ka ea	163 - 217
ZG340 - 640	0.50 - 0.60	870 - 830	550 - 650	i ka umu ahi a i ʻole ka ea	187 - 228

 

No nā kalapona kalapona me nā mea kalapona kiʻekiʻe a me nā ʻano paʻakikī, i mea e hoʻopau ai i ke koena o ke kaumaha a hoʻomaikaʻi i ka paʻakikī, hiki ke hoʻokō ʻia ka mālama ʻana ma hope o ka normalizing. ʻO ka mahana wela ka maʻamau 550 ℃-650 ℃, a laila anuanu i ka ea.

Ke kiʻekiʻe ka ʻike kalapona ma mua o 0.35%, hiki ke hoʻopau ʻia nā ʻāpana kila kalapona i hoʻolei ʻia (quenched + kiʻekiʻe wela wela). Hiki ke ho'opio pono 'ia a ho'oha'aha'a 'ia nā mea hao kalapona li'ili'i ma ke 'ano like-cast; nui a paʻakikī paha ka hoʻoheheʻe ʻana i ke kila kalapona e hoʻopiʻi ʻia a hoʻonāukiuki ʻia ma hope o ka hana maʻamau.

 

ʻO ka hoʻopau ʻana a me ka wela a me ka paʻakikī o ka hoʻolei ʻana i ka hao hao
Kaona %	Hoʻopau i ka Mahana / ℃	Tempering Mahana / ℃	Paʻakiki ma hope o ka hoʻomaʻamaʻa ʻana / HBW
0.35 - 0.45 (Puʻupuʻu Liʻiliʻi)	850 - 830 (Hoʻolili i ka wai)	300 - 400	364 - 444
		400 - 450	321 - 415
		510 - 550	241 - 286
		540 - 580	228 - 269
		580 - 640	192 - 228
0.45 - 0.55 (Puʻupuʻu Liʻiliʻi)	830 - 810 (Hoʻolili i ka wai a i ʻole ka ʻaila)	550 - 630	220 - 240
		450	≈ 269
		550	≈ 248
		650	≈ 228
0.30 - 0.40 (Puʻupuʻu Nui)	840 -880 (Hoʻolili i ka wai a i ʻole ka ʻaila)	520 - 550	229 - 269
		530 - 560	217 - 255
		540 - 570	207 - 241
		550 - 580	187 - 229
0.40 - 0.50 (Puʻupuʻu Nui)	820 - 840 (Hoʻolili i ka wai a i ʻole ka ʻaila)	530 - 560	229 - 269
		550 - 580	217 - 255
		560 - 590	207 - 241
		570 - 600	187 - 229