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詳細(xì)闡述德國(guó)DIN EN ISO11997-1循環(huán)腐蝕測(cè)試標(biāo)準(zhǔn)的試驗(yàn)方法和步驟

來(lái)源：東莞市科迪儀器有限公司 2025年05月10日 07:21

德國(guó)DIN EN ISO11997-1循環(huán)腐蝕測(cè)試標(biāo)準(zhǔn)及復(fù)合鹽霧測(cè)試方法

Cycle A

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

Prepare the spray solution as described in Clause 5 by dissolving sodium chloride in water to give a concentration of (50±10)g/l .The PH of the solution shall be in the range 6 to 7.
按照第5條所述的方法制備噴霧溶液，將氯化鈉溶解在水中，使溶液的濃度為（50±10）g/L，溶液的pH值在6～7范圍內(nèi)。

C.2 Cycle

Set up the cabinet to perform the following cycle設(shè)置鹽霧箱執(zhí)行以下循環(huán)

Step	Time h	Temp ℃	Condition	Notes
1	2	35±2	Salt spray
2	4	60±2	Dry：20-30%
3	2	50±2	Wet：95%RH or over
4	Go back to step 1			This makes a total cycle time of 8h from step1 to step3
	Transtition time（ie time allowed to reach the temperature and relative humidity specified for a condition after changing to that condition）：			From salt spray to dry：within 30min 從鹽霧到干燥：30min內(nèi) From dry to wet：within 150 min 從干到濕：150分鐘內(nèi) From wet to salt spray：within 30min 從濕到鹽霧：30分鐘內(nèi) The effect of the salt spray will，in principle，be instaneous。 For details of drying-air flow，see 6.4 鹽霧的效果在原則上是瞬時(shí)的。有關(guān)干燥空氣流量的詳細(xì)信息，請(qǐng)參見(jiàn)6.4

C.3 Salt fog depsiton rate鹽霧沉降率

The salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see Clause 10)
當(dāng)鹽霧在24小時(shí)內(nèi)被收集時(shí)，鹽霧的沉積速率應(yīng)該是1ml/h到2ml/h（見(jiàn)第10條）

C 4 Duration持續(xù)時(shí)間

Unless otherwise agreed，repeat the test cycle for 30 cycles(240h),60cycles(240h),90cycles(720h) or 180cycles(1440h)
除非另有約定，重復(fù)測(cè)試周期30周期（240h）、60周期（240h）、90周期（720h）或180周期（1440h）

Cycle B

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

C.2 Cycle

Set up the cabinet to perform the following cycle. 設(shè)置鹽霧箱執(zhí)行以下循環(huán)。

Step	Time h	Temp ℃	Condition	notes
1	24	35±2	Salt fog
2	8	40±2	99%RH	Water condensing on test panels
3	16	23±2	（50±20）%RH
4	8	40±2	99%RH	Water condensing on test panels
5	16	23±2	（50±20）%RH
6	8	40±2	99%RH	Water condensing on test panels
7	16	23±2	（50±20）%RH
8	8	40±2	99%RH	Water condensing on test panels
9	16	23±2	（50±20）%RH
10	48	23±2	（50±20）%RH
11	Go back to step 1			This makes the total cycle time 7 days from step1 to step10.
NOTE Set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.The set point is the target condition for the sensor when used at the operational control point as programmed by the user.Operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.At the operational control point , the user programmes that exat number . The operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.

C 3 Salt fog depsiton rate鹽霧沉降率

The salt fog deposition rate shall be 1ml/h to 2ml/h,when the salt fog iscollected over a 24h period (see Clause 10)

C 4 Duration持續(xù)時(shí)間

Unless otherwise agreed，repeat the test cycle for 840 h
除非另有約定，重復(fù)測(cè)試周期為840小時(shí)。

Cycle C

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

Prepare the spray solution as described in Clause 5 by dissolving sodium chloride in water to give a concentration of (0.31±0.01)g/l and (4.1±0.01)g/l respectively .The PH of the solution shall be in the range 6 to 7.
按照第5條所述的方法制備噴霧溶液，在水中溶解氯化鈉，濃度分別為（0.31±0.01）g/L和（4.1±0.01）g/L，溶液的pH值在6～7范圍內(nèi)。

C.2 Cycle

Set up the cabinet to perform the following cycle. 設(shè)置來(lái)執(zhí)行以下循環(huán)。

Step	Time min	Temp ℃	Condition	notes
1	210	30±2	Salt fog
2	210	40±2	Dry	Drying-air purge(see 6.4)
3	1470	40±2	（75±15）%RH	One method of achieving this conditon is to alternate the dry and humid cycles for suitable(short)time periods to keep the RH between the limits specified
4	102	30±2	Dry	Drying-air purge(see 6.4)
5	210	30±2	Salt fog
6	378	30±2	90% to 99%RH	Water condensing on test panel
7	180	35±2	Dry	Drying-air purge(see 6.4)
8	120	25±2	Dry
9	Go back to step 1			This makes the total cycle time 48h from step1 to step8.
NOTE Set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.The set point is the target condition for the sensor when used at the operational control point as programmed by the user.Operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.At the operational control point , the user programmes that exat number . The operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.

C 3 Salt fog depsiton rate鹽霧沉降率

The salt fog deposition rate shall be 2ml/h to 4ml/h,when the salt fog iscollected over a 24h period (see Clause 10)
當(dāng)鹽霧在24小時(shí)內(nèi)被收集時(shí)，鹽霧的沉積速率應(yīng)為2ml/h至4ml/h(見(jiàn)第10條)。

C 4 Duration持續(xù)時(shí)間

Unless otherwise agreed，repeat the test cycle for1000h
除非另有約定，重復(fù)測(cè)試周期為1000小時(shí)。

Cycle D

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

C.2 Cycle

Set up the cabinet to perform the following cycle，設(shè)置執(zhí)行如下下循環(huán)

Step	Time h	Temp ℃	Condition	Notes
1	0.5	30±2	Salt spray
2	1.5	30±2	Wet：（95±3）%RH
3	2	50±2	Hot dry
4	2	30±2	Warm dry
5	Go back to step 1			This makes a total cycle time of 6h from step1 to step4
	Transtition time（ie time allowed to reach the temperature and relative humidity specified for a condition after changing to that condition）：			From salt spray to wet：within 10min 從鹽霧到潮濕：10min以內(nèi) From wet to hot dry：within 15 min 從濕到熱干燥：15分鐘內(nèi) From hot dry to salt warm dry：within 30min 從熱干燥到鹽溫干燥：30min內(nèi) From salt warm dry to salt spray：instaneous 從鹽溫干到鹽霧：瞬時(shí)
NOTE Set points and operational fluctuations can be listed either independently of each other or in the format：set point±operational fluctuations.The set point is the target condition for the sensor when used at the operational control point as programmed by the user.Operational fluctuations are deviations from the indicated set point at the control point indicated by the readout of the calibrated control sensor during equilibrium operation and do not include measurement uncertainty.At the operational control point , the user programmes that exat number . The operational fluctuations specified for that set point do not imply that the user is allowed to programme a set point higher or lower than the exact set point specified.

C 3 Salt fog depsiton rate鹽霧排放率

C 4 Duration持續(xù)時(shí)間

Unless otherwise agreed，repeat the test cycle for 28 cycles(168h)
除非另有約定，重復(fù)測(cè)試周期為28個(gè)周期（168h）。

符合德國(guó)DIN EN ISO11997-1測(cè)試標(biāo)準(zhǔn)的循環(huán)腐蝕復(fù)合鹽霧箱

參考文章：
1、CETP 0000-L-467試驗(yàn)室加速循環(huán)腐蝕試驗(yàn)標(biāo)準(zhǔn)中文翻譯版
2、淺析福特汽車(chē)CETP 0000-L-467測(cè)試標(biāo)準(zhǔn)的試驗(yàn)步驟及方法
3、簡(jiǎn)析通用汽車(chē)GMW 1487標(biāo)準(zhǔn)的試驗(yàn)流程及步驟

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詳細(xì)闡述德國(guó)DIN EN ISO11997-1循環(huán)腐蝕測(cè)試標(biāo)準(zhǔn)的試驗(yàn)方法和步驟

德國(guó)DIN EN ISO11997-1循環(huán)腐蝕測(cè)試標(biāo)準(zhǔn)及復(fù)合鹽霧測(cè)試方法

Cycle A

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

C.2 Cycle

C.3 Salt fog depsiton rate鹽霧沉降率

C 4 Duration持續(xù)時(shí)間

Cycle B

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

C.2 Cycle

C 3 Salt fog depsiton rate鹽霧沉降率

C 4 Duration持續(xù)時(shí)間

Cycle C

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

C.2 Cycle

C 3 Salt fog depsiton rate鹽霧沉降率

C 4 Duration持續(xù)時(shí)間

Cycle D

C.1 Salt fog test solution鹽霧試驗(yàn)溶液

C.2 Cycle

C 3 Salt fog depsiton rate鹽霧排放率

C 4 Duration持續(xù)時(shí)間

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