搜搜做题作业网英语翻译the tensile properties of lm 25 alloy at elevated temper
来源：学生作业帮 编辑：搜搜做题作业网作业帮 分类：英语作业 时间：2024/05/10 14:25:02
英语翻译
the tensile properties of lm 25 alloy at elevated temperatures are influenced by the condition(heat treatment)of the castings and the duration at the elevated temperature.on short term testing e.g.30 minutes at temperature,the properties fall only slowly and uniformly up to about 200 deg c,at which temperature the strength of LM25-TF is reduced by about 20%.very prolonged heating,e.g.10,000hours ,results in a sharp loss of strength at about 135 deg c .at 200 deg c the strength of LM25-TF is less than half of that at room temperature.there is therefore no advantage to be gained by heat treatment,if the component is to be used at temperatures above about 130 deg c,for extended periods of time
数蚂蚁 21:57:20
the tensile properties of lm 25 alloy at elevated temperatures are influenced by the condition(heat treatment)of the castings and the duration at the elevated temperature.on short term testing e.g.30 minutes at temperature,the properties fall only slowly and uniformly up to about 200 deg c,at which temperature the strength of LM25-TF is reduced by about 20%.very prolonged heating,e.g.10,000hours ,results in a sharp loss of strength at about 135 deg c .at 200 deg c the strength of LM25-TF is less than half of that at room temperature.there is therefore no advantage to be gained by heat treatment,if the component is to be used at temperatures above about 130 deg c,for extended periods of time .
好象是说铸造金属的条件啊,温度什么的.
the tensile properties of lm 25 alloy at elevated temperatures are influenced by the condition(heat treatment)of the castings and the duration at the elevated temperature.on short term testing e.g.30 minutes at temperature,the properties fall only slowly and uniformly up to about 200 deg c,at which temperature the strength of LM25-TF is reduced by about 20%.very prolonged heating,e.g.10,000hours ,results in a sharp loss of strength at about 135 deg c .at 200 deg c the strength of LM25-TF is less than half of that at room temperature.there is therefore no advantage to be gained by heat treatment,if the component is to be used at temperatures above about 130 deg c,for extended periods of time
数蚂蚁 21:57:20
the tensile properties of lm 25 alloy at elevated temperatures are influenced by the condition(heat treatment)of the castings and the duration at the elevated temperature.on short term testing e.g.30 minutes at temperature,the properties fall only slowly and uniformly up to about 200 deg c,at which temperature the strength of LM25-TF is reduced by about 20%.very prolonged heating,e.g.10,000hours ,results in a sharp loss of strength at about 135 deg c .at 200 deg c the strength of LM25-TF is less than half of that at room temperature.there is therefore no advantage to be gained by heat treatment,if the component is to be used at temperatures above about 130 deg c,for extended periods of time .
好象是说铸造金属的条件啊,温度什么的.
高温条件下LM-25合金的拉伸性能受同等条件下铸件及时间情况（热处理）的影响.短时测试如：在200度环境下30分钟内,其性能仅缓慢匀速下降,同一温度下,LM25-TF的强度减少到百分之二十.长时测试如：在135度环境下10000小时后,其强度会骤然降低.在200度环境下,LM25-TF的强度仅为室温的一半.因此,如果被锻造部分被长时间用于130度以上的环境中,热处理则没有任何有益之处.
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