The as-cast bainite steel studied in this paper could obtain bainite directly in the as-cast condition through alloying and controlling the cast cooling rate without heat treatment.
所研究的铸态贝氏体钢是通过合金化和控制冷却速度的方法在铸态下直接得到贝氏体组织的,不需热处理即可获得所需的组织和性能。
A new production process was developed through finite element simulation. The microstructure and mechanical properties of grates at both heat treatment and as-cast condition were analyzed.
通过有限元模拟改进了原炉排制造工艺,对新工艺制造的炉排件进行取样并分析了铸态和热处理前后的显微组织和力学性能。
As described above, the Route node evaluates an expression, the result of which is then cast as a Boolean to produce a true or false test condition.
如上所述,Route节点对表达式求值,结果将强制转换为布尔值,以生成真或假的测试条件。
The trajectory problem was cast as the optimal control problem and Pontriaghin Maximum Principle was used to obtain first order necessary condition.
我们将此弹道问题转化成最优控制问题,通过极大值原理得到最优弹道的一阶必要条件。
It is indicated that as-cast leaded brass without pretreatment can present certain superplasticity at proper condition.
结果表明:此种不经预处理的铸态铅黄铜,在适当条件下具有一定的超塑性。
The two-stage deformation was processed to AZ31 alloy as cast at different parameter condition, and structure evolution and mechanical property was analyzed.
通过对AZ31镁合金铸棒在不同变形参数下进行一次变形和二次变形,并对其组织演变过程和力学性能进行分析讨论。
Adding copper into nodular iron caused change of its structure and properties both in as - cast as well as heat - treated condition that expanded application scope of nodular iron.
加铜的球墨铸铁无论铸态或热处理都引起了组织及性能的变化,这种改变拓宽了球墨铸铁的应用范围。
On a certain condition, when the nodulizing grade of graphite of as cast ductile iron is grade 1 to 4, its mechanical properties are qualified.
在一定的条件下,当QT 45010铸态球铁的石墨球化级别为1 ~4级时,其机械性能合格。
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealed condition.
蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealed condition.
蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
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